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29757942 = 234183691
BaseRepresentation
bin111000110000…
…1000111110110
32001222212020000
41301201013312
530104223232
62541452130
7510636564
oct161410766
961885200
1029757942
1115885645
129b71046
13621ba66
143d48a34
15292c27c
hex1c611f6

29757942 has 20 divisors (see below), whose sum is σ = 66680196. Its totient is φ = 9919260.

The previous prime is 29757919. The next prime is 29757977. The reversal of 29757942 is 24975792.

It is a super-2 number, since 2×297579422 = 1771070224150728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91684 + ... + 92007.

Almost surely, 229757942 is an apocalyptic number.

29757942 is an abundant number, since it is smaller than the sum of its proper divisors (36922254).

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

29757942 is a wasteful number, since it uses less digits than its factorization.

29757942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183705 (or 183696 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 29757942 is about 5455.0840506815. The cubic root of 29757942 is about 309.8852922813.

The spelling of 29757942 in words is "twenty-nine million, seven hundred fifty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 183691 367382 551073 1102146 1653219 3306438 4959657 9919314 14878971 29757942