Base | Representation |
---|---|
bin | 1100010001010… |
… | …1111011001001 |
3 | 10120211221121020 |
4 | 3010111323021 |
5 | 101134020100 |
6 | 5035103053 |
7 | 1163326245 |
oct | 304257311 |
9 | 116757536 |
10 | 51470025 |
11 | 27065212 |
12 | 152a1a89 |
13 | a881549 |
14 | 6b9b425 |
15 | 47ba5a0 |
hex | 3115ec9 |
51470025 has 12 divisors (see below), whose sum is σ = 85097232. Its totient is φ = 27450640.
The previous prime is 51470017. The next prime is 51470051. The reversal of 51470025 is 52007415.
51470025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 51470025 - 23 = 51470017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 51469977 and 51470004.
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 11 ways as a sum of consecutive naturals, for example, 343059 + ... + 343208.
It is an arithmetic number, because the mean of its divisors is an integer number (7091436).
Almost surely, 251470025 is an apocalyptic number.
It is an amenable number.
51470025 is a deficient number, since it is larger than the sum of its proper divisors (33627207).
51470025 is a wasteful number, since it uses less digits than its factorization.
51470025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 686280 (or 686275 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 24.
The square root of 51470025 is about 7174.2612860141. The cubic root of 51470025 is about 371.9787463288.
The spelling of 51470025 in words is "fifty-one million, four hundred seventy thousand, twenty-five".
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