Base | Representation |
---|---|
bin | 1001111001001… |
… | …10111011101111 |
3 | 12210011200110001 |
4 | 10330212323233 |
5 | 132221400400 |
6 | 12122525131 |
7 | 2025314455 |
oct | 474467357 |
9 | 183150401 |
10 | 82996975 |
11 | 42938946 |
12 | 239667a7 |
13 | 1426c549 |
14 | b0469d5 |
15 | 7446a6a |
hex | 4f26eef |
82996975 has 24 divisors (see below), whose sum is σ = 109466208. Its totient is φ = 62208000.
The previous prime is 82996973. The next prime is 82996981. The reversal of 82996975 is 57969928.
It is not a de Polignac number, because 82996975 - 21 = 82996973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82996973) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170182 + ... + 170668.
It is an arithmetic number, because the mean of its divisors is an integer number (4561092).
Almost surely, 282996975 is an apocalyptic number.
82996975 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
82996975 is the 4870-th nonagonal number.
82996975 is a deficient number, since it is larger than the sum of its proper divisors (26469233).
82996975 is a wasteful number, since it uses less digits than its factorization.
82996975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915 (or 910 counting only the distinct ones).
The product of its digits is 2449440, while the sum is 55.
The square root of 82996975 is about 9110.2675591884. The cubic root of 82996975 is about 436.2017677784.
The spelling of 82996975 in words is "eighty-two million, nine hundred ninety-six thousand, nine hundred seventy-five".
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