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105913402 = 2721080749
BaseRepresentation
bin1100101000000…
…01110000111010
321101021221212121
412110001300322
5204103212102
614302031454
72424151300
oct624016072
9241257777
10105913402
1154870341
122b57858a
1318c3426a
14100d0270
159471b37
hex6501c3a

105913402 has 12 divisors (see below), whose sum is σ = 184808250. Its totient is φ = 45391416.

The previous prime is 105913397. The next prime is 105913403. The reversal of 105913402 is 204319501.

It can be written as a sum of positive squares in only one way, i.e., 105452361 + 461041 = 10269^2 + 679^2 .

It is a super-2 number, since 2×1059134022 = 22435297446427208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105913403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 540277 + ... + 540472.

Almost surely, 2105913402 is an apocalyptic number.

105913402 is a deficient number, since it is larger than the sum of its proper divisors (78894848).

105913402 is a wasteful number, since it uses less digits than its factorization.

105913402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080765 (or 1080758 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 105913402 is about 10291.4237110324. The cubic root of 105913402 is about 473.1334348438.

The spelling of 105913402 in words is "one hundred five million, nine hundred thirteen thousand, four hundred two".

Divisors: 1 2 7 14 49 98 1080749 2161498 7565243 15130486 52956701 105913402