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107312969 = 1953611747
BaseRepresentation
bin1100110010101…
…11011101001001
321110221001201102
412121113131021
5204433003334
614352031145
72442100541
oct631273511
9243831642
10107312969
1155636905
122bb324b5
13193042ca
1410376321
15964b67e
hex6657749

107312969 has 16 divisors (see below), whose sum is σ = 117046080. Its totient is φ = 98055360.

The previous prime is 107312957. The next prime is 107312971. The reversal of 107312969 is 969213701.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-107312969 is a prime.

It is a super-2 number, since 2×1073129692 = 23032146631189922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107312999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60554 + ... + 62300.

It is an arithmetic number, because the mean of its divisors is an integer number (7315380).

Almost surely, 2107312969 is an apocalyptic number.

107312969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

107312969 is a deficient number, since it is larger than the sum of its proper divisors (9733111).

107312969 is a wasteful number, since it uses less digits than its factorization.

107312969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 107312969 is about 10359.1973144641. The cubic root of 107312969 is about 475.2083577138.

The spelling of 107312969 in words is "one hundred seven million, three hundred twelve thousand, nine hundred sixty-nine".

Divisors: 1 19 53 61 1007 1159 1747 3233 33193 61427 92591 106567 1759229 2024773 5648051 107312969