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105212104 = 23591012207
BaseRepresentation
bin1100100010101…
…10100011001000
321022222022212121
412101112203020
5203413241404
614235021024
72415200554
oct621264310
9238868777
10105212104
1154431458
122b29a774
1318a49caa
14dd8a864
159383e54
hex64568c8

105212104 has 32 divisors (see below), whose sum is σ = 202694400. Its totient is φ = 51179200.

The previous prime is 105212089. The next prime is 105212111. The reversal of 105212104 is 401212501.

It is a super-2 number, since 2×1052121042 = 22139173656213632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46569 + ... + 48775.

It is an arithmetic number, because the mean of its divisors is an integer number (6334200).

Almost surely, 2105212104 is an apocalyptic number.

It is an amenable number.

105212104 is a deficient number, since it is larger than the sum of its proper divisors (97482296).

105212104 is a wasteful number, since it uses less digits than its factorization.

105212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 105212104 is about 10257.2951600312. The cubic root of 105212104 is about 472.0868484256.

Adding to 105212104 its reverse (401212501), we get a palindrome (506424605).

The spelling of 105212104 in words is "one hundred five million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 4 8 59 101 118 202 236 404 472 808 2207 4414 5959 8828 11918 17656 23836 47672 130213 222907 260426 445814 520852 891628 1041704 1783256 13151513 26303026 52606052 105212104