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86418948 = 223721131431
BaseRepresentation
bin1010010011010…
…10011000000100
320000121112111210
411021222120010
5134110401243
612324131420
72066356200
oct511523004
9200545453
1086418948
1144865920
1224b36b70
1314b99c95
14b697b00
1578c0933
hex526a604

86418948 has 144 divisors (see below), whose sum is σ = 264757248. Its totient is φ = 21672000.

The previous prime is 86418881. The next prime is 86418977. The reversal of 86418948 is 84981468.

It is a junction number, because it is equal to n+sod(n) for n = 86418897 and 86418906.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200293 + ... + 200723.

It is an arithmetic number, because the mean of its divisors is an integer number (1838592).

Almost surely, 286418948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86418948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132378624).

86418948 is an abundant number, since it is smaller than the sum of its proper divisors (178338300).

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

86418948 is a wasteful number, since it uses less digits than its factorization.

86418948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 485 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 86418948 is about 9296.1792151399. The cubic root of 86418948 is about 442.1160946177.

The spelling of 86418948 in words is "eighty-six million, four hundred eighteen thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 31 33 42 44 49 62 66 77 84 93 98 124 132 147 154 186 196 217 231 294 308 341 372 431 434 462 539 588 651 682 862 868 924 1023 1078 1293 1302 1364 1519 1617 1724 2046 2156 2387 2586 2604 3017 3038 3234 4092 4557 4741 4774 5172 6034 6076 6468 7161 9051 9114 9482 9548 12068 13361 14223 14322 16709 18102 18228 18964 21119 26722 28446 28644 33187 33418 36204 40083 42238 50127 53444 56892 63357 66374 66836 80166 84476 93527 99561 100254 126714 132748 146971 160332 187054 199122 200508 232309 253428 280581 293942 374108 398244 440913 464618 561162 587884 654689 696927 881826 929236 1028797 1122324 1309378 1393854 1763652 1964067 2057594 2618756 2787708 3086391 3928134 4115188 6172782 7201579 7856268 12345564 14403158 21604737 28806316 43209474 86418948