Base | Representation |
---|---|
bin | 11111001011010… |
… | …011011110000111 |
3 | 1100110020001100122 |
4 | 133023103132013 |
5 | 2032400311111 |
6 | 123522532155 |
7 | 15650624420 |
oct | 3713233607 |
9 | 1313201318 |
10 | 523057031 |
11 | 249285542 |
12 | 12720705b |
13 | 84498b03 |
14 | 4d678647 |
15 | 30dbecdb |
hex | 1f2d3787 |
523057031 has 16 divisors (see below), whose sum is σ = 624712704. Its totient is φ = 428579424.
The previous prime is 523057019. The next prime is 523057063. The reversal of 523057031 is 130750325.
It is not a de Polignac number, because 523057031 - 214 = 523040647 is a prime.
It is a super-2 number, since 2×5230570312 = 547177315357069922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (523057081) 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, 4340 + ... + 32633.
It is an arithmetic number, because the mean of its divisors is an integer number (39044544).
Almost surely, 2523057031 is an apocalyptic number.
523057031 is a deficient number, since it is larger than the sum of its proper divisors (101655673).
523057031 is a wasteful number, since it uses less digits than its factorization.
523057031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37070.
The product of its (nonzero) digits is 3150, while the sum is 26.
The square root of 523057031 is about 22870.4401138238. The cubic root of 523057031 is about 805.7179049004.
The spelling of 523057031 in words is "five hundred twenty-three million, fifty-seven thousand, thirty-one".
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