Search a number
-
+
531276942 = 23778716073
BaseRepresentation
bin11111101010101…
…010010010001110
31101000200122221210
4133222222102032
52042001330232
6124415035250
716110531240
oct3752522216
91330618853
10531276942
1125298a259
12129b0bb26
13860b6371
14507b8090
15319955cc
hex1faaa48e

531276942 has 32 divisors (see below), whose sum is σ = 1215965952. Its totient is φ = 151591104.

The previous prime is 531276923. The next prime is 531276943. The reversal of 531276942 is 249672135.

It is a self number, because there is not a number n which added to its sum of digits gives 531276942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531276943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25018 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (37998936).

Almost surely, 2531276942 is an apocalyptic number.

531276942 is an abundant number, since it is smaller than the sum of its proper divisors (684689010).

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

531276942 is a wasteful number, since it uses less digits than its factorization.

531276942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872.

The product of its digits is 90720, while the sum is 39.

The square root of 531276942 is about 23049.4455898618. The cubic root of 531276942 is about 809.9166413226.

The spelling of 531276942 in words is "five hundred thirty-one million, two hundred seventy-six thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 787 1574 2361 4722 5509 11018 16073 16527 32146 33054 48219 96438 112511 225022 337533 675066 12649451 25298902 37948353 75896706 88546157 177092314 265638471 531276942