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105668158 = 21719163573
BaseRepresentation
bin1100100110001…
…01111000111110
321100211111110111
412103011320332
5204022340113
614252500234
72422110301
oct623057076
9240744414
10105668158
1154713062
122b47a67a
1318b7974b
1410068b38
15942413d
hex64c5e3e

105668158 has 16 divisors (see below), whose sum is σ = 176659920. Its totient is φ = 47108736.

The previous prime is 105668153. The next prime is 105668161. The reversal of 105668158 is 851866501.

It is a super-2 number, since 2×1056681582 = 22331519230225928, 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 105668158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105668153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81141 + ... + 82432.

It is an arithmetic number, because the mean of its divisors is an integer number (11041245).

Almost surely, 2105668158 is an apocalyptic number.

105668158 is a deficient number, since it is larger than the sum of its proper divisors (70991762).

105668158 is a wasteful number, since it uses less digits than its factorization.

105668158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163611.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 105668158 is about 10279.5018361786. The cubic root of 105668158 is about 472.7679702030.

The spelling of 105668158 in words is "one hundred five million, six hundred sixty-eight thousand, one hundred fifty-eight".

Divisors: 1 2 17 19 34 38 323 646 163573 327146 2780741 3107887 5561482 6215774 52834079 105668158