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79945346 = 2133074821
BaseRepresentation
bin1001100001111…
…01111010000010
312120102122101202
410300331322002
5130431222341
611533301202
71660344545
oct460757202
9176378352
1079945346
1141144138
1222934802
1313741550
14a89085c
15704279b
hex4c3de82

79945346 has 8 divisors (see below), whose sum is σ = 129142524. Its totient is φ = 36897840.

The previous prime is 79945337. The next prime is 79945379. The reversal of 79945346 is 64354997.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78517321 + 1428025 = 8861^2 + 1195^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 79945346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537385 + ... + 1537436.

Almost surely, 279945346 is an apocalyptic number.

79945346 is a deficient number, since it is larger than the sum of its proper divisors (49197178).

79945346 is a wasteful number, since it uses less digits than its factorization.

79945346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074836.

The product of its digits is 816480, while the sum is 47.

The square root of 79945346 is about 8941.2161365219. The cubic root of 79945346 is about 430.7887919247.

The spelling of 79945346 in words is "seventy-nine million, nine hundred forty-five thousand, three hundred forty-six".

Divisors: 1 2 13 26 3074821 6149642 39972673 79945346