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79082147 = 1731150061
BaseRepresentation
bin1001011011010…
…11001010100011
312111210210022102
410231223022203
5130221112042
611503001015
71650121124
oct455531243
9174723272
1079082147
1140704651
122259916b
13134cb691
14a70804b
156e21b32
hex4b6b2a3

79082147 has 8 divisors (see below), whose sum is σ = 86435712. Its totient is φ = 72028800.

The previous prime is 79082137. The next prime is 79082149. The reversal of 79082147 is 74128097.

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

It is a cyclic number.

It is not a de Polignac number, because 79082147 - 24 = 79082131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79082147.

It is not an unprimeable number, because it can be changed into a prime (79082149) 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, 74504 + ... + 75557.

It is an arithmetic number, because the mean of its divisors is an integer number (10804464).

Almost surely, 279082147 is an apocalyptic number.

79082147 is a deficient number, since it is larger than the sum of its proper divisors (7353565).

79082147 is a wasteful number, since it uses less digits than its factorization.

79082147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150109.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 79082147 is about 8892.8143464260. The cubic root of 79082147 is about 429.2327167809.

The spelling of 79082147 in words is "seventy-nine million, eighty-two thousand, one hundred forty-seven".

Divisors: 1 17 31 527 150061 2551037 4651891 79082147