Base | Representation |
---|---|
bin | 1100010001010… |
… | …1111111011001 |
3 | 10120211221222022 |
4 | 3010111333121 |
5 | 101134022142 |
6 | 5035104225 |
7 | 1163330114 |
oct | 304257731 |
9 | 116757868 |
10 | 51470297 |
11 | 2706543a |
12 | 152a2075 |
13 | a8816c8 |
14 | 6b9b57b |
15 | 47ba6d2 |
hex | 3115fd9 |
51470297 has 12 divisors (see below), whose sum is σ = 56692800. Its totient is φ = 46633752.
The previous prime is 51470281. The next prime is 51470299. The reversal of 51470297 is 79207415.
It is not a de Polignac number, because 51470297 - 24 = 51470281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51470299) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5204 + ... + 11402.
It is an arithmetic number, because the mean of its divisors is an integer number (4724400).
Almost surely, 251470297 is an apocalyptic number.
It is an amenable number.
51470297 is a deficient number, since it is larger than the sum of its proper divisors (5222503).
51470297 is a wasteful number, since it uses less digits than its factorization.
51470297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6260 (or 6241 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 35.
The square root of 51470297 is about 7174.2802426446. The cubic root of 51470297 is about 371.9794015842.
The spelling of 51470297 in words is "fifty-one million, four hundred seventy thousand, two hundred ninety-seven".
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