Search a number
-
+
531306080 = 2553320663
BaseRepresentation
bin11111101010110…
…001011001100000
31101000202010220222
4133222301121200
52042003243310
6124415422212
716111012214
oct3752613140
91330663828
10531306080
112529aa138
12129b24968
13860c66c6
14507c4944
153199e055
hex1fab1660

531306080 has 24 divisors (see below), whose sum is σ = 1255210992. Its totient is φ = 212522368.

The previous prime is 531306073. The next prime is 531306091. The reversal of 531306080 is 80603135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660172 + ... + 1660491.

It is an arithmetic number, because the mean of its divisors is an integer number (52300458).

Almost surely, 2531306080 is an apocalyptic number.

It is an amenable number.

531306080 is an abundant number, since it is smaller than the sum of its proper divisors (723904912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531306080 is a wasteful number, since it uses less digits than its factorization.

531306080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320678 (or 3320670 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 531306080 is about 23050.0776571360. The cubic root of 531306080 is about 809.9314477370.

The spelling of 531306080 in words is "five hundred thirty-one million, three hundred six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3320663 6641326 13282652 16603315 26565304 33206630 53130608 66413260 106261216 132826520 265653040 531306080