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105155272 = 23191315281
BaseRepresentation
bin1100100010010…
…00101011001000
321022212102220201
412101020223020
5203404432042
614233501544
72414543065
oct621105310
9238772821
10105155272
11543a2792
122b2718b4
1318a2a171
14dd73c6c
1593721b7
hex6448ac8

105155272 has 32 divisors (see below), whose sum is σ = 209167200. Its totient is φ = 49420800.

The previous prime is 105155263. The next prime is 105155299. The reversal of 105155272 is 272551501.

It is a super-2 number, since 2×1051552722 = 22115262458787968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105155272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17272 + ... + 22552.

It is an arithmetic number, because the mean of its divisors is an integer number (6536475).

Almost surely, 2105155272 is an apocalyptic number.

It is an amenable number.

105155272 is a deficient number, since it is larger than the sum of its proper divisors (104011928).

105155272 is a wasteful number, since it uses less digits than its factorization.

105155272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437 (or 5433 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 105155272 is about 10254.5244648399. The cubic root of 105155272 is about 472.0018313632.

The spelling of 105155272 in words is "one hundred five million, one hundred fifty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 131 152 262 524 1048 2489 4978 5281 9956 10562 19912 21124 42248 100339 200678 401356 691811 802712 1383622 2767244 5534488 13144409 26288818 52577636 105155272