Base | Representation |
---|---|
bin | 1001111001101… |
… | …01010000001001 |
3 | 12210021122220021 |
4 | 10330311100021 |
5 | 132230240000 |
6 | 12124100441 |
7 | 2025650452 |
oct | 474652011 |
9 | 183248807 |
10 | 83055625 |
11 | 42978a14 |
12 | 23994721 |
13 | 14290153 |
14 | b060129 |
15 | 745911a |
hex | 4f35409 |
83055625 has 20 divisors (see below), whose sum is σ = 109905444. Its totient is φ = 62528000.
The previous prime is 83055619. The next prime is 83055629. The reversal of 83055625 is 52655038.
It is a happy number.
It can be written as a sum of positive squares in 10 ways, for example, as 76685049 + 6370576 = 8757^2 + 2524^2 .
It is not a de Polignac number, because 83055625 - 221 = 80958473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83055629) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6717 + ... + 14533.
Almost surely, 283055625 is an apocalyptic number.
83055625 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
83055625 is a deficient number, since it is larger than the sum of its proper divisors (26849819).
83055625 is an equidigital number, since it uses as much as digits as its factorization.
83055625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7854 (or 7839 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 34.
The square root of 83055625 is about 9113.4858863116. The cubic root of 83055625 is about 436.3044912407.
The spelling of 83055625 in words is "eighty-three million, fifty-five thousand, six hundred twenty-five".
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