Base | Representation |
---|---|
bin | 1001110110010… |
… | …01110011000000 |
3 | 12202110022010220 |
4 | 10323021303000 |
5 | 132122143423 |
6 | 12110423040 |
7 | 2022135324 |
oct | 473116300 |
9 | 182408126 |
10 | 82615488 |
11 | 426a826a |
12 | 23801a80 |
13 | 14167a07 |
14 | ad87984 |
15 | 73bd9e3 |
hex | 4ec9cc0 |
82615488 has 28 divisors (see below), whose sum is σ = 218587320. Its totient is φ = 27538432.
The previous prime is 82615483. The next prime is 82615493. The reversal of 82615488 is 88451628.
It is an interprime number because it is at equal distance from previous prime (82615483) and next prime (82615493).
It is not an unprimeable number, because it can be changed into a prime (82615483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214953 + ... + 215336.
It is an arithmetic number, because the mean of its divisors is an integer number (7806690).
Almost surely, 282615488 is an apocalyptic number.
It is an amenable number.
82615488 is an abundant number, since it is smaller than the sum of its proper divisors (135971832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82615488 is a wasteful number, since it uses less digits than its factorization.
82615488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430304 (or 430294 counting only the distinct ones).
The product of its digits is 122880, while the sum is 42.
The square root of 82615488 is about 9089.3062441531. The cubic root of 82615488 is about 435.5324224529.
The spelling of 82615488 in words is "eighty-two million, six hundred fifteen thousand, four hundred eighty-eight".
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