Base | Representation |
---|---|
bin | 1001110111010… |
… | …11010100111111 |
3 | 12202201021112200 |
4 | 10323223110333 |
5 | 132141042311 |
6 | 12113402543 |
7 | 2023246620 |
oct | 473532477 |
9 | 182637480 |
10 | 82752831 |
11 | 42791477 |
12 | 23869453 |
13 | 141b5395 |
14 | adc1a47 |
15 | 73e9556 |
hex | 4eeb53f |
82752831 has 48 divisors (see below), whose sum is σ = 141892608. Its totient is φ = 45489600.
The previous prime is 82752829. The next prime is 82752841. The reversal of 82752831 is 13825728.
It is not a de Polignac number, because 82752831 - 21 = 82752829 is a prime.
It is a super-2 number, since 2×827528312 = 13696062077029122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82752841) 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, 305226 + ... + 305496.
It is an arithmetic number, because the mean of its divisors is an integer number (2956096).
Almost surely, 282752831 is an apocalyptic number.
82752831 is a deficient number, since it is larger than the sum of its proper divisors (59139777).
82752831 is a wasteful number, since it uses less digits than its factorization.
82752831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452 (or 449 counting only the distinct ones).
The product of its digits is 26880, while the sum is 36.
The square root of 82752831 is about 9096.8583038322. The cubic root of 82752831 is about 435.7736371614.
The spelling of 82752831 in words is "eighty-two million, seven hundred fifty-two thousand, eight hundred thirty-one".
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