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97131713 = 719172649
BaseRepresentation
bin1011100101000…
…01110011000001
320202202210122212
411302201303001
5144331203323
613345511505
72256414560
oct562416301
9222683585
1097131713
114a912548
1228642595
131717b0b3
14cc85bd7
1587d9b78
hex5ca1cc1

97131713 has 8 divisors (see below), whose sum is σ = 111590400. Its totient is φ = 82818720.

The previous prime is 97131707. The next prime is 97131719. The reversal of 97131713 is 31713179.

It is an interprime number because it is at equal distance from previous prime (97131707) and next prime (97131719).

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 97131713 - 214 = 97115329 is a prime.

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 97131713.

It is not an unprimeable number, because it can be changed into a prime (97131719) 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, 34988 + ... + 37661.

It is an arithmetic number, because the mean of its divisors is an integer number (13948800).

Almost surely, 297131713 is an apocalyptic number.

It is an amenable number.

97131713 is a deficient number, since it is larger than the sum of its proper divisors (14458687).

97131713 is a wasteful number, since it uses less digits than its factorization.

97131713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72847.

The product of its digits is 3969, while the sum is 32.

The square root of 97131713 is about 9855.5422478928. The cubic root of 97131713 is about 459.6779614291.

The spelling of 97131713 in words is "ninety-seven million, one hundred thirty-one thousand, seven hundred thirteen".

Divisors: 1 7 191 1337 72649 508543 13875959 97131713