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418319680 = 26517131587
BaseRepresentation
bin11000111011110…
…000110101000000
31002011010211201111
4120323300311000
51324042212210
6105302013104
713236441622
oct3073606500
91064124644
10418319680
111a5148849
12b8117194
1368886c4c
143d7b2c12
1526ad188a
hex18ef0d40

418319680 has 112 divisors (see below), whose sum is σ = 1064581056. Its totient is φ = 156016640.

The previous prime is 418319677. The next prime is 418319683. The reversal of 418319680 is 86913814.

It is an interprime number because it is at equal distance from previous prime (418319677) and next prime (418319683).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a cake number, because a cake can be divided into 418319680 parts by 1359 planar cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418319683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712347 + ... + 712933.

It is an arithmetic number, because the mean of its divisors is an integer number (9505188).

Almost surely, 2418319680 is an apocalyptic number.

418319680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 418319680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532290528).

418319680 is an abundant number, since it is smaller than the sum of its proper divisors (646261376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

418319680 is a wasteful number, since it uses less digits than its factorization.

418319680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 418319680 is about 20452.8648360077. The cubic root of 418319680 is about 747.8871973795.

The spelling of 418319680 in words is "four hundred eighteen million, three hundred nineteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 131 136 160 170 262 272 320 340 524 544 587 655 680 1048 1088 1174 1310 1360 2096 2227 2348 2620 2720 2935 4192 4454 4696 5240 5440 5870 8384 8908 9392 9979 10480 11135 11740 17816 18784 19958 20960 22270 23480 35632 37568 39916 41920 44540 46960 49895 71264 76897 79832 89080 93920 99790 142528 153794 159664 178160 187840 199580 307588 319328 356320 384485 399160 615176 638656 712640 768970 798320 1230352 1307249 1537940 1596640 2460704 2614498 3075880 3193280 4921408 5228996 6151760 6536245 10457992 12303520 13072490 20915984 24607040 26144980 41831968 52289960 83663936 104579920 209159840 418319680