Base | Representation |
---|---|
bin | 11111101001101… |
… | …110100111011110 |
3 | 1101000020020200221 |
4 | 133221232213132 |
5 | 2041421020132 |
6 | 124405511554 |
7 | 16105462555 |
oct | 3751564736 |
9 | 1330206627 |
10 | 531032542 |
11 | 252832677 |
12 | 129a125ba |
13 | 8602c051 |
14 | 50752d9c |
15 | 31947e97 |
hex | 1fa6e9de |
531032542 has 32 divisors (see below), whose sum is σ = 848010240. Its totient is φ = 248996160.
The previous prime is 531032527. The next prime is 531032581. The reversal of 531032542 is 245230135.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369858 + ... + 371290.
It is an arithmetic number, because the mean of its divisors is an integer number (26500320).
Almost surely, 2531032542 is an apocalyptic number.
531032542 is a deficient number, since it is larger than the sum of its proper divisors (316977698).
531032542 is a wasteful number, since it uses less digits than its factorization.
531032542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1648.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 531032542 is about 23044.1433340448. The cubic root of 531032542 is about 809.7924286492.
Adding to 531032542 its reverse (245230135), we get a palindrome (776262677).
The spelling of 531032542 in words is "five hundred thirty-one million, thirty-two thousand, five hundred forty-two".
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