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79538023 is a prime number
BaseRepresentation
bin1001011110110…
…10011101100111
312112122221122201
410233122131213
5130330204043
611520435331
71654030165
oct457323547
9175587581
1079538023
1140996104
1222778b47
131362b026
14a7c6235
156eb1c4d
hex4bda767

79538023 has 2 divisors, whose sum is σ = 79538024. Its totient is φ = 79538022.

The previous prime is 79538021. The next prime is 79538051. The reversal of 79538023 is 32083597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79538023 - 21 = 79538021 is a prime.

Together with 79538021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79538021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39769011 + 39769012.

It is an arithmetic number, because the mean of its divisors is an integer number (39769012).

Almost surely, 279538023 is an apocalyptic number.

79538023 is a deficient number, since it is larger than the sum of its proper divisors (1).

79538023 is an equidigital number, since it uses as much as digits as its factorization.

79538023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 79538023 is about 8918.4092191377. The cubic root of 79538023 is about 430.0559202558.

The spelling of 79538023 in words is "seventy-nine million, five hundred thirty-eight thousand, twenty-three".