Base | Representation |
---|---|
bin | 110111100101… |
… | …0011111101111 |
3 | 2000211111220101 |
4 | 1233022133233 |
5 | 24430002400 |
6 | 2520331531 |
7 | 502460053 |
oct | 157123757 |
9 | 60744811 |
10 | 29140975 |
11 | 154a4056 |
12 | 9913ba7 |
13 | 6063ca6 |
14 | 3c27c63 |
15 | 285956a |
hex | 1bca7ef |
29140975 has 12 divisors (see below), whose sum is σ = 38260944. Its totient is φ = 21941120.
The previous prime is 29140957. The next prime is 29141017. The reversal of 29140975 is 57904192.
It is not a de Polignac number, because 29140975 - 27 = 29140847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33859 + ... + 34708.
It is an arithmetic number, because the mean of its divisors is an integer number (3188412).
Almost surely, 229140975 is an apocalyptic number.
29140975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
29140975 is a deficient number, since it is larger than the sum of its proper divisors (9119969).
29140975 is a wasteful number, since it uses less digits than its factorization.
29140975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68594 (or 68589 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 29140975 is about 5398.2381385041. The cubic root of 29140975 is about 307.7287169656.
The spelling of 29140975 in words is "twenty-nine million, one hundred forty thousand, nine hundred seventy-five".
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