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79668275 = 525360127
BaseRepresentation
bin1001011111110…
…10010000110011
312112220120022212
410233322100303
5130343341100
611523322335
71655112011
oct457722063
9175816285
1079668275
1140a74a55
12228203ab
13136753bb
14a81b8b1
156eda635
hex4bfa433

79668275 has 12 divisors (see below), whose sum is σ = 100654272. Its totient is φ = 62531040.

The previous prime is 79668271. The next prime is 79668299. The reversal of 79668275 is 57286697.

It is not a de Polignac number, because 79668275 - 22 = 79668271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79668271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28739 + ... + 31388.

It is an arithmetic number, because the mean of its divisors is an integer number (8387856).

Almost surely, 279668275 is an apocalyptic number.

79668275 is a deficient number, since it is larger than the sum of its proper divisors (20985997).

79668275 is a wasteful number, since it uses less digits than its factorization.

79668275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60190 (or 60185 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 79668275 is about 8925.7086553394. The cubic root of 79668275 is about 430.2905463805.

The spelling of 79668275 in words is "seventy-nine million, six hundred sixty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 53 265 1325 60127 300635 1503175 3186731 15933655 79668275