Base | Representation |
---|---|
bin | 11111101010111… |
… | …100111110000000 |
3 | 1101000211112221020 |
4 | 133222330332000 |
5 | 2042011302342 |
6 | 124420425440 |
7 | 16111300326 |
oct | 3752747600 |
9 | 1330745836 |
10 | 531353472 |
11 | 252a31801 |
12 | 129b48280 |
13 | 86112150 |
14 | 507d7d16 |
15 | 319ad0ec |
hex | 1fabcf80 |
531353472 has 64 divisors (see below), whose sum is σ = 1519991760. Its totient is φ = 163491840.
The previous prime is 531353441. The next prime is 531353489. The reversal of 531353472 is 274353135.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48229 + ... + 58212.
Almost surely, 2531353472 is an apocalyptic number.
531353472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
531353472 is an abundant number, since it is smaller than the sum of its proper divisors (988638288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531353472 is a wasteful number, since it uses less digits than its factorization.
531353472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106471 (or 106459 counting only the distinct ones).
The product of its digits is 37800, while the sum is 33.
The square root of 531353472 is about 23051.1056567792. The cubic root of 531353472 is about 809.9555287275.
It can be divided in two parts, 5313 and 53472, that added together give a palindrome (58785).
The spelling of 531353472 in words is "five hundred thirty-one million, three hundred fifty-three thousand, four hundred seventy-two".
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