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97012551 = 3231405979
BaseRepresentation
bin1011100100001…
…00101101000111
320202112202012110
411302010231013
5144313400201
613343152103
72255410266
oct562045507
9222482173
1097012551
114a840a69
12285a5633
1317138a9c
14cc545dd
1587b46d6
hex5c84b47

97012551 has 8 divisors (see below), whose sum is σ = 134974080. Its totient is φ = 61863032.

The previous prime is 97012549. The next prime is 97012571. The reversal of 97012551 is 15521079.

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 97012551 - 21 = 97012549 is a prime.

It is a super-2 number, since 2×970125512 = 18822870103055202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97012571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702921 + ... + 703058.

It is an arithmetic number, because the mean of its divisors is an integer number (16871760).

Almost surely, 297012551 is an apocalyptic number.

97012551 is a deficient number, since it is larger than the sum of its proper divisors (37961529).

97012551 is a wasteful number, since it uses less digits than its factorization.

97012551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406005.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 97012551 is about 9849.4949616719. The cubic root of 97012551 is about 459.4899055794.

The spelling of 97012551 in words is "ninety-seven million, twelve thousand, five hundred fifty-one".

Divisors: 1 3 23 69 1405979 4217937 32337517 97012551