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79994079 = 3211808021
BaseRepresentation
bin1001100010010…
…01110011011111
312120112010020200
410301021303133
5130434302304
611534314543
71660636614
oct461116337
9176463220
1079994079
1141177810
1222958a53
131375a799
14a8a450b
157051e39
hex4c49cdf

79994079 has 12 divisors (see below), whose sum is σ = 126051432. Its totient is φ = 48481200.

The previous prime is 79994071. The next prime is 79994081. The reversal of 79994079 is 97049997.

It is not a de Polignac number, because 79994079 - 23 = 79994071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79994071) 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, 403912 + ... + 404109.

It is an arithmetic number, because the mean of its divisors is an integer number (10504286).

Almost surely, 279994079 is an apocalyptic number.

79994079 is a deficient number, since it is larger than the sum of its proper divisors (46057353).

79994079 is a wasteful number, since it uses less digits than its factorization.

79994079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808038 (or 808035 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 79994079 is about 8943.9409099121. The cubic root of 79994079 is about 430.8763074043.

The spelling of 79994079 in words is "seventy-nine million, nine hundred ninety-four thousand, seventy-nine".

Divisors: 1 3 9 11 33 99 808021 2424063 7272189 8888231 26664693 79994079