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105864923 = 832834507
BaseRepresentation
bin1100100111101…
…01111011011011
321101012111101002
412103311323123
5204100134143
614301015215
72423560043
oct623657333
9241174332
10105864923
115483797a
122b55450b
1318c18188
14100ba723
1594625b8
hex64f5edb

105864923 has 8 divisors (see below), whose sum is σ = 107542848. Its totient is φ = 104196744.

The previous prime is 105864893. The next prime is 105864937. The reversal of 105864923 is 329468501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105864923 - 26 = 105864859 is a prime.

It is a super-2 number, since 2×1058649232 = 22414763843591858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105864973) 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, 21236 + ... + 25742.

It is an arithmetic number, because the mean of its divisors is an integer number (13442856).

Almost surely, 2105864923 is an apocalyptic number.

105864923 is a deficient number, since it is larger than the sum of its proper divisors (1677925).

105864923 is an equidigital number, since it uses as much as digits as its factorization.

105864923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 105864923 is about 10289.0681307881. The cubic root of 105864923 is about 473.0612358088.

The spelling of 105864923 in words is "one hundred five million, eight hundred sixty-four thousand, nine hundred twenty-three".

Divisors: 1 83 283 4507 23489 374081 1275481 105864923