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47275679 = 1127115859
BaseRepresentation
bin1011010001010…
…1111010011111
310021221212001002
42310111322133
544100310204
64405140515
71112556653
oct264257237
9107855032
1047275679
112475aa10
12139ba73b
139a43399
1463c8a63
15423c91e
hex2d15e9f

47275679 has 8 divisors (see below), whose sum is σ = 51767040. Its totient is φ = 42816600.

The previous prime is 47275639. The next prime is 47275687. The reversal of 47275679 is 97657274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47275679 is a prime.

It is a super-2 number, since 2×472756792 = 4469979649822082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47275609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4949 + ... + 10910.

It is an arithmetic number, because the mean of its divisors is an integer number (6470880).

Almost surely, 247275679 is an apocalyptic number.

47275679 is a deficient number, since it is larger than the sum of its proper divisors (4491361).

47275679 is a wasteful number, since it uses less digits than its factorization.

47275679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141.

The product of its digits is 740880, while the sum is 47.

The square root of 47275679 is about 6875.7311611202. The cubic root of 47275679 is about 361.5868198747.

The spelling of 47275679 in words is "forty-seven million, two hundred seventy-five thousand, six hundred seventy-nine".

Divisors: 1 11 271 2981 15859 174449 4297789 47275679