Base | Representation |
---|---|
bin | 1101000101010… |
… | …1111010000001 |
3 | 10211021002020001 |
4 | 3101111322001 |
5 | 103022042300 |
6 | 5240120001 |
7 | 1234311442 |
oct | 321257201 |
9 | 124232201 |
10 | 54877825 |
11 | 28a82582 |
12 | 16466001 |
13 | b4a56b2 |
14 | 74072c9 |
15 | 4c4016a |
hex | 3455e81 |
54877825 has 6 divisors (see below), whose sum is σ = 68048534. Its totient is φ = 43902240.
The previous prime is 54877787. The next prime is 54877841. The reversal of 54877825 is 52877845.
It can be written as a sum of positive squares in 3 ways, for example, as 531441 + 54346384 = 729^2 + 7372^2 .
It is a de Polignac number, because none of the positive numbers 2k-54877825 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1097532 + ... + 1097581.
Almost surely, 254877825 is an apocalyptic number.
It is an amenable number.
54877825 is a deficient number, since it is larger than the sum of its proper divisors (13170709).
54877825 is a wasteful number, since it uses less digits than its factorization.
54877825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2195123 (or 2195118 counting only the distinct ones).
The product of its digits is 627200, while the sum is 46.
The square root of 54877825 is about 7407.9568708248. The cubic root of 54877825 is about 380.0134459693.
The spelling of 54877825 in words is "fifty-four million, eight hundred seventy-seven thousand, eight hundred twenty-five".
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