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97367431 = 713909633
BaseRepresentation
bin1011100110110…
…11010110000111
320210012210000011
411303123112013
5144411224211
613354531051
72261416030
oct563332607
9223183004
1097367431
114aa63657
1228736a87
1317231485
14cd07a87
158834921
hex5cdb587

97367431 has 4 divisors (see below), whose sum is σ = 111277072. Its totient is φ = 83457792.

The previous prime is 97367429. The next prime is 97367443. The reversal of 97367431 is 13476379.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97367431 - 21 = 97367429 is a prime.

It is a super-2 number, since 2×973674312 = 18960833239079522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97365431) 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, 6954810 + ... + 6954823.

It is an arithmetic number, because the mean of its divisors is an integer number (27819268).

Almost surely, 297367431 is an apocalyptic number.

97367431 is a deficient number, since it is larger than the sum of its proper divisors (13909641).

97367431 is a wasteful number, since it uses less digits than its factorization.

97367431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909640.

The product of its digits is 95256, while the sum is 40.

The square root of 97367431 is about 9867.4936534056. The cubic root of 97367431 is about 460.0495079040.

The spelling of 97367431 in words is "ninety-seven million, three hundred sixty-seven thousand, four hundred thirty-one".

Divisors: 1 7 13909633 97367431