Base | Representation |
---|---|
bin | 1001111000010… |
… | …10101101000111 |
3 | 12202221210211200 |
4 | 10330022231013 |
5 | 132204200401 |
6 | 12120233543 |
7 | 2024323410 |
oct | 474125507 |
9 | 182853750 |
10 | 82881351 |
11 | 42869a93 |
12 | 2390b8b3 |
13 | 1422ba27 |
14 | b016807 |
15 | 7422686 |
hex | 4f0ab47 |
82881351 has 48 divisors (see below), whose sum is σ = 145926144. Its totient is φ = 44301312.
The previous prime is 82881329. The next prime is 82881389. The reversal of 82881351 is 15318828.
It is not a de Polignac number, because 82881351 - 29 = 82880839 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82881151) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67495 + ... + 68711.
It is an arithmetic number, because the mean of its divisors is an integer number (3040128).
Almost surely, 282881351 is an apocalyptic number.
82881351 is a deficient number, since it is larger than the sum of its proper divisors (63044793).
82881351 is a wasteful number, since it uses less digits than its factorization.
82881351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1300 (or 1297 counting only the distinct ones).
The product of its digits is 15360, while the sum is 36.
The square root of 82881351 is about 9103.9195405056. The cubic root of 82881351 is about 435.9991144807. Note that the first 3 decimals are identical.
The spelling of 82881351 in words is "eighty-two million, eight hundred eighty-one thousand, three hundred fifty-one".
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