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105855396 = 223172631973
BaseRepresentation
bin1100100111100…
…11100110100100
321101012000022020
412103303212210
5204044333041
614300503140
72423520213
oct623634644
9241160266
10105855396
11548307a9
122b54aab0
1318c13a3a
14100b707a
15945e866
hex64f39a4

105855396 has 48 divisors (see below), whose sum is σ = 262652544. Its totient is φ = 33066496.

The previous prime is 105855371. The next prime is 105855401. The reversal of 105855396 is 693558501.

105855396 = T255 + T256 + ... + T866.

It is a super-2 number, since 2×1058553962 = 22410729724633632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52666 + ... + 54638.

It is an arithmetic number, because the mean of its divisors is an integer number (5471928).

Almost surely, 2105855396 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 105855396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131326272).

105855396 is an abundant number, since it is smaller than the sum of its proper divisors (156797148).

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

105855396 is a wasteful number, since it uses less digits than its factorization.

105855396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 105855396 is about 10288.6051532752. The cubic root of 105855396 is about 473.0470448017.

The spelling of 105855396 in words is "one hundred five million, eight hundred fifty-five thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 263 526 789 1052 1578 1973 3156 3946 4471 5919 7892 8942 11838 13413 17884 23676 26826 33541 53652 67082 100623 134164 201246 402492 518899 1037798 1556697 2075596 3113394 6226788 8821283 17642566 26463849 35285132 52927698 105855396