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105940156 = 2272540511
BaseRepresentation
bin1100101000010…
…00010010111100
321101100022120111
412110020102330
5204110041111
614302355404
72424322300
oct624102274
9241308514
10105940156
1154889453
122b58bb64
1318c434aa
14100d9d00
159479a21
hex65084bc

105940156 has 18 divisors (see below), whose sum is σ = 215664288. Its totient is φ = 45402840.

The previous prime is 105940151. The next prime is 105940157. The reversal of 105940156 is 651049501.

It is a super-2 number, since 2×1059401562 = 22446633306608672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105940151) 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, 270060 + ... + 270451.

Almost surely, 2105940156 is an apocalyptic number.

It is an amenable number.

105940156 is an abundant number, since it is smaller than the sum of its proper divisors (109724132).

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

105940156 is a wasteful number, since it uses less digits than its factorization.

105940156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540529 (or 540520 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 105940156 is about 10292.7234491169. The cubic root of 105940156 is about 473.1732697341.

Adding to 105940156 its reverse (651049501), we get a palindrome (756989657).

The spelling of 105940156 in words is "one hundred five million, nine hundred forty thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 540511 1081022 2162044 3783577 7567154 15134308 26485039 52970078 105940156