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79122027 = 397271897
BaseRepresentation
bin1001011011101…
…00111001101011
312111212211000110
410231310321223
5130223401102
611503505403
71650345315
oct455647153
9174784013
1079122027
1140731606
12225b8263
131351388a
14a7187b5
156e2d86c
hex4b74e6b

79122027 has 8 divisors (see below), whose sum is σ = 106584016. Its totient is φ = 52204032.

The previous prime is 79122011. The next prime is 79122031. The reversal of 79122027 is 72022197.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79122027 - 24 = 79122011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79121985 and 79122003.

It is not an unprimeable number, because it can be changed into a prime (79122007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135658 + ... + 136239.

It is an arithmetic number, because the mean of its divisors is an integer number (13323002).

Almost surely, 279122027 is an apocalyptic number.

79122027 is a deficient number, since it is larger than the sum of its proper divisors (27461989).

79122027 is a wasteful number, since it uses less digits than its factorization.

79122027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271997.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 79122027 is about 8895.0563235991. The cubic root of 79122027 is about 429.3048566370.

The spelling of 79122027 in words is "seventy-nine million, one hundred twenty-two thousand, twenty-seven".

Divisors: 1 3 97 291 271897 815691 26374009 79122027