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164800980 = 22345234423
BaseRepresentation
bin10011101001010…
…10100111010100
3102111002202110000
421310222213110
5314142112410
624204131300
74040533221
oct1164524724
9374082400
10164800980
1185031463
1247236b30
13281b1a96
1417c5c948
15e704dc0
hex9d2a9d4

164800980 has 120 divisors (see below), whose sum is σ = 539586432. Its totient is φ = 42026688.

The previous prime is 164800973. The next prime is 164800981. The reversal of 164800980 is 89008461.

It is a happy number.

164800980 is a `hidden beast` number, since 1 + 648 + 0 + 0 + 9 + 8 + 0 = 666.

164800980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164800981) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35049 + ... + 39471.

Almost surely, 2164800980 is an apocalyptic number.

164800980 is a gapful number since it is divisible by the number (10) 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 164800980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269793216).

164800980 is an abundant number, since it is smaller than the sum of its proper divisors (374785452).

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

164800980 is a wasteful number, since it uses less digits than its factorization.

164800980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4456 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 164800980 is about 12837.4833982366. The cubic root of 164800980 is about 548.2600440557.

The spelling of 164800980 in words is "one hundred sixty-four million, eight hundred thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 81 90 92 108 115 135 138 162 180 207 230 270 276 324 345 405 414 460 540 621 690 810 828 1035 1242 1380 1620 1863 2070 2484 3105 3726 4140 4423 6210 7452 8846 9315 12420 13269 17692 18630 22115 26538 37260 39807 44230 53076 66345 79614 88460 101729 119421 132690 159228 199035 203458 238842 265380 305187 358263 398070 406916 477684 508645 597105 610374 716526 796140 915561 1017290 1194210 1220748 1433052 1525935 1791315 1831122 2034580 2388420 2746683 3051870 3582630 3662244 4577805 5493366 6103740 7165260 8240049 9155610 10986732 13733415 16480098 18311220 27466830 32960196 41200245 54933660 82400490 164800980