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29715492 = 2232476291
BaseRepresentation
bin111000101011…
…0110000100100
32001220200222210
41301112300210
530101343432
62540523420
7510402042
oct161266044
961820883
1029715492
1115856764
129b50570
136205641
143d37392
15291e8cc
hex1c56c24

29715492 has 12 divisors (see below), whose sum is σ = 69336176. Its totient is φ = 9905160.

The previous prime is 29715467. The next prime is 29715503. The reversal of 29715492 is 29451792.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29715492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238134 + ... + 1238157.

Almost surely, 229715492 is an apocalyptic number.

It is an amenable number.

29715492 is an abundant number, since it is smaller than the sum of its proper divisors (39620684).

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

29715492 is a wasteful number, since it uses less digits than its factorization.

29715492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476298 (or 2476296 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 29715492 is about 5451.1917962956. The cubic root of 29715492 is about 309.7378706766.

The spelling of 29715492 in words is "twenty-nine million, seven hundred fifteen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 2476291 4952582 7428873 9905164 14857746 29715492