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97102513 = 151709907
BaseRepresentation
bin1011100100110…
…10101010110001
320202201022121101
411302122222301
5144324240023
613345124401
72256233464
oct562325261
9222638541
1097102513
114a8a2612
1228629701
131716aa11
14cc792db
1587d11ad
hex5c9aab1

97102513 has 8 divisors (see below), whose sum is σ = 97991360. Its totient is φ = 96217200.

The previous prime is 97102507. The next prime is 97102583. The reversal of 97102513 is 31520179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97102513 - 225 = 63548081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97102583) 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, 106606 + ... + 107512.

It is an arithmetic number, because the mean of its divisors is an integer number (12248920).

Almost surely, 297102513 is an apocalyptic number.

It is an amenable number.

97102513 is a deficient number, since it is larger than the sum of its proper divisors (888847).

97102513 is a wasteful number, since it uses less digits than its factorization.

97102513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 97102513 is about 9854.0607365695. The cubic root of 97102513 is about 459.6318935990.

The spelling of 97102513 in words is "ninety-seven million, one hundred two thousand, five hundred thirteen".

Divisors: 1 151 709 907 107059 136957 643063 97102513