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82374931 is a prime number
BaseRepresentation
bin1001110100011…
…11000100010011
312202000002011101
410322033010103
5132041444211
612101325231
72020114102
oct472170423
9182002141
1082374931
1142553561
1223706817
13140b2382
14ad24039
1573725c1
hex4e8f113

82374931 has 2 divisors, whose sum is σ = 82374932. Its totient is φ = 82374930.

The previous prime is 82374923. The next prime is 82374947. The reversal of 82374931 is 13947328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82374931 - 23 = 82374923 is a prime.

It is a super-2 number, since 2×823749312 = 13571258514509522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82374961) 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 as a sum of consecutive naturals, namely, 41187465 + 41187466.

It is an arithmetic number, because the mean of its divisors is an integer number (41187466).

Almost surely, 282374931 is an apocalyptic number.

82374931 is a deficient number, since it is larger than the sum of its proper divisors (1).

82374931 is an equidigital number, since it uses as much as digits as its factorization.

82374931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 82374931 is about 9076.0636291291. The cubic root of 82374931 is about 435.1092886102.

The spelling of 82374931 in words is "eighty-two million, three hundred seventy-four thousand, nine hundred thirty-one".