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47125457 = 374792659
BaseRepresentation
bin1011001111000…
…1001111010001
310021200012222022
42303301033101
544031003312
64402021225
71111363001
oct263611721
9107605868
1047125457
1124668065
1213947815
1399bcbb2
14638a001
15420d172
hex2cf13d1

47125457 has 8 divisors (see below), whose sum is σ = 48518400. Its totient is φ = 45738864.

The previous prime is 47125451. The next prime is 47125471. The reversal of 47125457 is 75452174.

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-47125457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47125451) 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, 16394 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (6064800).

Almost surely, 247125457 is an apocalyptic number.

It is an amenable number.

47125457 is a deficient number, since it is larger than the sum of its proper divisors (1392943).

47125457 is a wasteful number, since it uses less digits than its factorization.

47125457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its digits is 39200, while the sum is 35.

The square root of 47125457 is about 6864.7983947091. The cubic root of 47125457 is about 361.2034237913.

The spelling of 47125457 in words is "forty-seven million, one hundred twenty-five thousand, four hundred fifty-seven".

Divisors: 1 37 479 2659 17723 98383 1273661 47125457