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531141402 = 23118396959
BaseRepresentation
bin11111101010001…
…001001100011010
31101000102210000210
4133222021030122
52041433011102
6124412111550
716106425131
oct3752111432
91330383023
10531141402
112528a7440
12129a655b6
138606976c
1450780918
153196a36c
hex1fa8931a

531141402 has 32 divisors (see below), whose sum is σ = 1172828160. Its totient is φ = 159011120.

The previous prime is 531141367. The next prime is 531141419. The reversal of 531141402 is 204141135.

It is a super-2 number, since 2×5311414022 = 564222377837051208, which contains 22 as substring.

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, 43002 + ... + 53957.

It is an arithmetic number, because the mean of its divisors is an integer number (36650880).

Almost surely, 2531141402 is an apocalyptic number.

531141402 is an abundant number, since it is smaller than the sum of its proper divisors (641686758).

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

531141402 is a wasteful number, since it uses less digits than its factorization.

531141402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97058.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 531141402 is about 23046.5052014400. The cubic root of 531141402 is about 809.8477598350.

Adding to 531141402 its reverse (204141135), we get a palindrome (735282537).

The spelling of 531141402 in words is "five hundred thirty-one million, one hundred forty-one thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 913 1826 2739 5478 96959 193918 290877 581754 1066549 2133098 3199647 6399294 8047597 16095194 24142791 48285582 88523567 177047134 265570701 531141402