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106345931 = 172532131
BaseRepresentation
bin1100101011010…
…11010111001011
321102002221012012
412111223113023
5204211032211
614315210135
72430632306
oct625532713
9242087165
10106345931
11550362aa
122b74694b
13190560b3
14101a3b3d
159509d8b
hex656b5cb

106345931 has 18 divisors (see below), whose sum is σ = 116020212. Its totient is φ = 97452160.

The previous prime is 106345873. The next prime is 106345933. The reversal of 106345931 is 139543601.

It is not a de Polignac number, because 106345931 - 26 = 106345867 is a prime.

It is a super-2 number, since 2×1063459312 = 22618914080513522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106345933) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 811736 + ... + 811866.

Almost surely, 2106345931 is an apocalyptic number.

106345931 is a deficient number, since it is larger than the sum of its proper divisors (9674281).

106345931 is an equidigital number, since it uses as much as digits as its factorization.

106345931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 106345931 is about 10312.4163511759. The cubic root of 106345931 is about 473.7766206385.

The spelling of 106345931 in words is "one hundred six million, three hundred forty-five thousand, nine hundred thirty-one".

Divisors: 1 17 53 131 289 901 2227 2809 6943 15317 37859 47753 118031 367979 811801 2006527 6255643 106345931