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97623131 = 379072909
BaseRepresentation
bin1011101000110…
…01110001011011
320210200202202112
411310121301123
5144442420011
613404222535
72263532354
oct564316133
9223622675
1097623131
1150118781
122883aa4b
13172c0988
14cd72d2b
15888558b
hex5d19c5b

97623131 has 8 divisors (see below), whose sum is σ = 100406640. Its totient is φ = 94847328.

The previous prime is 97623107. The next prime is 97623151. The reversal of 97623131 is 13132679.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-97623131 is a prime.

It is a super-2 number, since 2×976231312 = 19060551412486322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97623151) 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, 32105 + ... + 35013.

It is an arithmetic number, because the mean of its divisors is an integer number (12550830).

Almost surely, 297623131 is an apocalyptic number.

97623131 is a deficient number, since it is larger than the sum of its proper divisors (2783509).

97623131 is a wasteful number, since it uses less digits than its factorization.

97623131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853.

The product of its digits is 6804, while the sum is 32.

The square root of 97623131 is about 9880.4418423469. The cubic root of 97623131 is about 460.4518732299.

The spelling of 97623131 in words is "ninety-seven million, six hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 37 907 2909 33559 107633 2638463 97623131