Base | Representation |
---|---|
bin | 1101100001100… |
… | …0011011001111 |
3 | 10221201211112110 |
4 | 3120120123033 |
5 | 104010120101 |
6 | 5343435103 |
7 | 1256065422 |
oct | 330303317 |
9 | 127654473 |
10 | 56723151 |
11 | 2a022a41 |
12 | 16bb5a93 |
13 | b9a05c4 |
14 | 77679b9 |
15 | 4ea6cd6 |
hex | 36186cf |
56723151 has 16 divisors (see below), whose sum is σ = 79971840. Its totient is φ = 35663040.
The previous prime is 56723141. The next prime is 56723167. The reversal of 56723151 is 15132765.
It is not a de Polignac number, because 56723151 - 25 = 56723119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56723111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11146 + ... + 15416.
It is an arithmetic number, because the mean of its divisors is an integer number (4998240).
Almost surely, 256723151 is an apocalyptic number.
56723151 is a deficient number, since it is larger than the sum of its proper divisors (23248689).
56723151 is a wasteful number, since it uses less digits than its factorization.
56723151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4526.
The product of its digits is 6300, while the sum is 30.
The square root of 56723151 is about 7531.4773451163. The cubic root of 56723151 is about 384.2260293096.
The spelling of 56723151 in words is "fifty-six million, seven hundred twenty-three thousand, one hundred fifty-one".
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