Base | Representation |
---|---|
bin | 1101000101100… |
… | …0011000100111 |
3 | 10211021121010222 |
4 | 3101120120213 |
5 | 103022403400 |
6 | 5240234555 |
7 | 1234353152 |
oct | 321303047 |
9 | 124247128 |
10 | 54887975 |
11 | 28a8a16a |
12 | 1646ba5b |
13 | b4aa1bc |
14 | 740ac99 |
15 | 4c43185 |
hex | 3458627 |
54887975 has 12 divisors (see below), whose sum is σ = 68192064. Its totient is φ = 43825920.
The previous prime is 54887969. The next prime is 54888007. The reversal of 54887975 is 57978845.
It is not a de Polignac number, because 54887975 - 224 = 38110759 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, 13367 + ... + 16983.
It is an arithmetic number, because the mean of its divisors is an integer number (5682672).
Almost surely, 254887975 is an apocalyptic number.
54887975 is a deficient number, since it is larger than the sum of its proper divisors (13304089).
54887975 is a wasteful number, since it uses less digits than its factorization.
54887975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4234 (or 4229 counting only the distinct ones).
The product of its digits is 2822400, while the sum is 53.
The square root of 54887975 is about 7408.6419133334. The cubic root of 54887975 is about 380.0368731532.
The spelling of 54887975 in words is "fifty-four million, eight hundred eighty-seven thousand, nine hundred seventy-five".
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