Base | Representation |
---|---|
bin | 1101011101011… |
… | …1011110011011 |
3 | 10221020022121021 |
4 | 3113113132123 |
5 | 103423111430 |
6 | 5334023311 |
7 | 1253610001 |
oct | 327273633 |
9 | 127208537 |
10 | 56457115 |
11 | 29961080 |
12 | 16aa7b37 |
13 | b9094a0 |
14 | 76d8a71 |
15 | 4e5307a |
hex | 35d779b |
56457115 has 24 divisors (see below), whose sum is σ = 79876944. Its totient is φ = 37766400.
The previous prime is 56457109. The next prime is 56457127. The reversal of 56457115 is 51175465.
It is not a de Polignac number, because 56457115 - 25 = 56457083 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200775 + ... + 201055.
It is an arithmetic number, because the mean of its divisors is an integer number (3328206).
Almost surely, 256457115 is an apocalyptic number.
56457115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
56457115 is a deficient number, since it is larger than the sum of its proper divisors (23419829).
56457115 is a wasteful number, since it uses less digits than its factorization.
56457115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591 (or 310 counting only the distinct ones).
The product of its digits is 21000, while the sum is 34.
The square root of 56457115 is about 7513.7949799020. The cubic root of 56457115 is about 383.6244044280.
The spelling of 56457115 in words is "fifty-six million, four hundred fifty-seven thousand, one hundred fifteen".
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