Base | Representation |
---|---|
bin | 1001111000010… |
… | …00100111000000 |
3 | 12202221101001210 |
4 | 10330020213000 |
5 | 132203412033 |
6 | 12120130120 |
7 | 2024256366 |
oct | 474104700 |
9 | 182841053 |
10 | 82872768 |
11 | 428635a0 |
12 | 23906940 |
13 | 14227b54 |
14 | b013636 |
15 | 741ed63 |
hex | 4f089c0 |
82872768 has 56 divisors (see below), whose sum is σ = 239207040. Its totient is φ = 25112320.
The previous prime is 82872743. The next prime is 82872787. The reversal of 82872768 is 86727828.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17508 + ... + 21731.
Almost surely, 282872768 is an apocalyptic number.
82872768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
82872768 is an abundant number, since it is smaller than the sum of its proper divisors (156334272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82872768 is a wasteful number, since it uses less digits than its factorization.
82872768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39265 (or 39255 counting only the distinct ones).
The product of its digits is 602112, while the sum is 48.
The square root of 82872768 is about 9103.4481379310. The cubic root of 82872768 is about 435.9840636096.
The spelling of 82872768 in words is "eighty-two million, eight hundred seventy-two thousand, seven hundred sixty-eight".
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