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82634957 = 130363419
BaseRepresentation
bin1001110110011…
…10100011001101
312202111021211222
410323032203031
5132123304312
612111053125
72022246146
oct473164315
9182437758
1082634957
1142710959
12238111a5
1314173832
14ad90acd
1573c4672
hex4ece8cd

82634957 has 4 divisors (see below), whose sum is σ = 82699680. Its totient is φ = 82570236.

The previous prime is 82634947. The next prime is 82634989. The reversal of 82634957 is 75943628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82634957 - 212 = 82630861 is a prime.

It is a super-2 number, since 2×826349572 = 13657072236783698, 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 (82634947) 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, 30407 + ... + 33012.

It is an arithmetic number, because the mean of its divisors is an integer number (20674920).

Almost surely, 282634957 is an apocalyptic number.

It is an amenable number.

82634957 is a deficient number, since it is larger than the sum of its proper divisors (64723).

82634957 is a wasteful number, since it uses less digits than its factorization.

82634957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64722.

The product of its digits is 362880, while the sum is 44.

The square root of 82634957 is about 9090.3771648926. The cubic root of 82634957 is about 435.5666319978.

The spelling of 82634957 in words is "eighty-two million, six hundred thirty-four thousand, nine hundred fifty-seven".

Divisors: 1 1303 63419 82634957