Base | Representation |
---|---|
bin | 11111100010100… |
… | …001010010010011 |
3 | 1100212200020122100 |
4 | 133202201102103 |
5 | 2040430033211 |
6 | 124301211443 |
7 | 16053432522 |
oct | 3742412223 |
9 | 1325606570 |
10 | 529142931 |
11 | 251761a09 |
12 | 129260b83 |
13 | 85819c35 |
14 | 503c04b9 |
15 | 316c3156 |
hex | 1f8a1493 |
529142931 has 6 divisors (see below), whose sum is σ = 764317580. Its totient is φ = 352761948.
The previous prime is 529142923. The next prime is 529142963. The reversal of 529142931 is 139241925.
529142931 is a `hidden beast` number, since 529 + 1 + 42 + 93 + 1 = 666.
It is not a de Polignac number, because 529142931 - 23 = 529142923 is a prime.
It is a super-2 number, since 2×5291429312 = 559984482854541522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (529142921) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29396821 + ... + 29396838.
Almost surely, 2529142931 is an apocalyptic number.
529142931 is a deficient number, since it is larger than the sum of its proper divisors (235174649).
529142931 is a wasteful number, since it uses less digits than its factorization.
529142931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58793665 (or 58793662 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 529142931 is about 23003.1069857965. The cubic root of 529142931 is about 808.8307730354.
The spelling of 529142931 in words is "five hundred twenty-nine million, one hundred forty-two thousand, nine hundred thirty-one".
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