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47136113 = 372574957
BaseRepresentation
bin1011001111001…
…1110101110001
310021200202120222
42303303311301
544031323423
64402142425
71111436033
oct263636561
9107622528
1047136113
1124675072
1213951a15
1399c49bb
14638dc53
1542113c8
hex2cf3d71

47136113 has 8 divisors (see below), whose sum is σ = 48608232. Its totient is φ = 45674496.

The previous prime is 47136109. The next prime is 47136139. The reversal of 47136113 is 31163174.

It can be written as a sum of positive squares in 4 ways, for example, as 39025009 + 8111104 = 6247^2 + 2848^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47136113 - 22 = 47136109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47136163) 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, 7031 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (6076029).

Almost surely, 247136113 is an apocalyptic number.

It is an amenable number.

47136113 is a deficient number, since it is larger than the sum of its proper divisors (1472119).

47136113 is a wasteful number, since it uses less digits than its factorization.

47136113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its digits is 1512, while the sum is 26.

The square root of 47136113 is about 6865.5744843385. The cubic root of 47136113 is about 361.2306468242.

Adding to 47136113 its reverse (31163174), we get a palindrome (78299287).

The spelling of 47136113 in words is "forty-seven million, one hundred thirty-six thousand, one hundred thirteen".

Divisors: 1 37 257 4957 9509 183409 1273949 47136113