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107156297 = 131817987
BaseRepresentation
bin1100110001100…
…01001101001001
321110122002210202
412120301031021
5204413000142
614344421545
72440546013
oct630611511
9243562722
10107156297
115553a126
122ba778b5
131927abc1
14103351b3
15961a032
hex6631349

107156297 has 4 divisors (see below), whose sum is σ = 107974416. Its totient is φ = 106338180.

The previous prime is 107156251. The next prime is 107156303. The reversal of 107156297 is 792651701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107156297 - 26 = 107156233 is a prime.

It is a super-2 number, since 2×1071562972 = 22964943973504418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107156297.

It is not an unprimeable number, because it can be changed into a prime (107156197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408863 + ... + 409124.

It is an arithmetic number, because the mean of its divisors is an integer number (26993604).

Almost surely, 2107156297 is an apocalyptic number.

It is an amenable number.

107156297 is a deficient number, since it is larger than the sum of its proper divisors (818119).

107156297 is an equidigital number, since it uses as much as digits as its factorization.

107156297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818118.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 107156297 is about 10351.6325765553. The cubic root of 107156297 is about 474.9769842957.

The spelling of 107156297 in words is "one hundred seven million, one hundred fifty-six thousand, two hundred ninety-seven".

Divisors: 1 131 817987 107156297