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79555093 is a prime number
BaseRepresentation
bin1001011110111…
…10101000010101
312112200211001221
410233132220111
5130331230333
611521050341
71654131022
oct457365025
9175624057
1079555093
11409a7a12
12227869b1
1313635a27
14a7cc549
156eb6d2d
hex4bdea15

79555093 has 2 divisors, whose sum is σ = 79555094. Its totient is φ = 79555092.

The previous prime is 79555081. The next prime is 79555103. The reversal of 79555093 is 39055597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79174404 + 380689 = 8898^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79555093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79555013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39777546 + 39777547.

It is an arithmetic number, because the mean of its divisors is an integer number (39777547).

Almost surely, 279555093 is an apocalyptic number.

It is an amenable number.

79555093 is a deficient number, since it is larger than the sum of its proper divisors (1).

79555093 is an equidigital number, since it uses as much as digits as its factorization.

79555093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 79555093 is about 8919.3661770330. The cubic root of 79555093 is about 430.0866834438.

The spelling of 79555093 in words is "seventy-nine million, five hundred fifty-five thousand, ninety-three".