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47875679 is a prime number
BaseRepresentation
bin1011011010100…
…0011001011111
310100002100002022
42312220121133
544224010204
64430050355
71120636145
oct266503137
9110070068
1047875679
112502a785
12140499bb
139bc3507
146503595
15430a5be
hex2da865f

47875679 has 2 divisors, whose sum is σ = 47875680. Its totient is φ = 47875678.

The previous prime is 47875643. The next prime is 47875693. The reversal of 47875679 is 97657874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47875679 is a prime.

It is a super-2 number, since 2×478756792 = 4584161279422082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47875679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47875279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23937839 + 23937840.

It is an arithmetic number, because the mean of its divisors is an integer number (23937840).

Almost surely, 247875679 is an apocalyptic number.

47875679 is a deficient number, since it is larger than the sum of its proper divisors (1).

47875679 is an equidigital number, since it uses as much as digits as its factorization.

47875679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The square root of 47875679 is about 6919.2253179095. The cubic root of 47875679 is about 363.1100886160.

The spelling of 47875679 in words is "forty-seven million, eight hundred seventy-five thousand, six hundred seventy-nine".