Base | Representation |
---|---|
bin | 111000110000… |
… | …1000111110110 |
3 | 2001222212020000 |
4 | 1301201013312 |
5 | 30104223232 |
6 | 2541452130 |
7 | 510636564 |
oct | 161410766 |
9 | 61885200 |
10 | 29757942 |
11 | 15885645 |
12 | 9b71046 |
13 | 621ba66 |
14 | 3d48a34 |
15 | 292c27c |
hex | 1c611f6 |
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".
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