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531353472 = 27313106441
BaseRepresentation
bin11111101010111…
…100111110000000
31101000211112221020
4133222330332000
52042011302342
6124420425440
716111300326
oct3752747600
91330745836
10531353472
11252a31801
12129b48280
1386112150
14507d7d16
15319ad0ec
hex1fabcf80

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".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 384 416 624 832 1248 1664 2496 4992 106441 212882 319323 425764 638646 851528 1277292 1383733 1703056 2554584 2767466 3406112 4151199 5109168 5534932 6812224 8302398 10218336 11069864 13624448 16604796 20436672 22139728 33209592 40873344 44279456 66419184 88558912 132838368 177117824 265676736 531353472