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79975051 = 1341227661
BaseRepresentation
bin1001100010001…
…01001010001011
312120111011010221
410301011022023
5130433200201
611534050511
71660530262
oct461051213
9176434127
1079975051
1141164492
1222949a37
1313751c20
14a89b5d9
15704b4a1
hex4c4528b

79975051 has 16 divisors (see below), whose sum is σ = 88750368. Its totient is φ = 71596800.

The previous prime is 79975043. The next prime is 79975057. The reversal of 79975051 is 15057997.

It is a cyclic number.

It is not a de Polignac number, because 79975051 - 23 = 79975043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79974989 and 79975007.

It is not an unprimeable number, because it can be changed into a prime (79975057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120661 + ... + 121321.

It is an arithmetic number, because the mean of its divisors is an integer number (5546898).

Almost surely, 279975051 is an apocalyptic number.

79975051 is a deficient number, since it is larger than the sum of its proper divisors (8775317).

79975051 is a wasteful number, since it uses less digits than its factorization.

79975051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 79975051 is about 8942.8771097449. The cubic root of 79975051 is about 430.8421408566.

The spelling of 79975051 in words is "seventy-nine million, nine hundred seventy-five thousand, fifty-one".

Divisors: 1 13 41 227 533 661 2951 8593 9307 27101 120991 150047 352313 1950611 6151927 79975051