Base | Representation |
---|---|
bin | 1011101001100… |
… | …0001100001001 |
3 | 10101221020101120 |
4 | 2322120030021 |
5 | 100001422430 |
6 | 4503105453 |
7 | 1132166520 |
oct | 272301411 |
9 | 111836346 |
10 | 48857865 |
11 | 25640701 |
12 | 14442289 |
13 | a1785a4 |
14 | 66bb4b7 |
15 | 4451610 |
hex | 2e98309 |
48857865 has 32 divisors (see below), whose sum is σ = 93229056. Its totient is φ = 21362880.
The previous prime is 48857849. The next prime is 48857971. The reversal of 48857865 is 56875884.
It is not a de Polignac number, because 48857865 - 24 = 48857849 is a prime.
It is a super-4 number, since 4×488578654 (a number of 32 digits) contains 4444 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7701 + ... + 12530.
It is an arithmetic number, because the mean of its divisors is an integer number (2913408).
Almost surely, 248857865 is an apocalyptic number.
It is an amenable number.
48857865 is a deficient number, since it is larger than the sum of its proper divisors (44371191).
48857865 is a wasteful number, since it uses less digits than its factorization.
48857865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20269.
The product of its digits is 2150400, while the sum is 51.
The square root of 48857865 is about 6989.8401269271. The cubic root of 48857865 is about 365.5764083280.
The spelling of 48857865 in words is "forty-eight million, eight hundred fifty-seven thousand, eight hundred sixty-five".
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