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531327160 = 235713145969
BaseRepresentation
bin11111101010110…
…110100010111000
31101000210012211201
4133222312202320
52042004432120
6124420103544
716111130530
oct3752664270
91330705751
10531327160
11252a13a61
12129b34bb4
1386103190
14507cc4c0
15319a540a
hex1fab68b8

531327160 has 64 divisors (see below), whose sum is σ = 1471377600. Its totient is φ = 168155136.

The previous prime is 531327143. The next prime is 531327161. The reversal of 531327160 is 61723135.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531327161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 69345 + ... + 76624.

It is an arithmetic number, because the mean of its divisors is an integer number (22990275).

Almost surely, 2531327160 is an apocalyptic number.

It is an amenable number.

531327160 is an abundant number, since it is smaller than the sum of its proper divisors (940050440).

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

531327160 is a wasteful number, since it uses less digits than its factorization.

531327160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146000 (or 145996 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 531327160 is about 23050.5349178712. The cubic root of 531327160 is about 809.9421591579.

The spelling of 531327160 in words is "five hundred thirty-one million, three hundred twenty-seven thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 145969 291938 583876 729845 1021783 1167752 1459690 1897597 2043566 2919380 3795194 4087132 5108915 5838760 7590388 8174264 9487985 10217830 13283179 15180776 18975970 20435660 26566358 37951940 40871320 53132716 66415895 75903880 106265432 132831790 265663580 531327160