Base | Representation |
---|---|
bin | 1000101011111… |
… | …11001011101011 |
3 | 12002010022112021 |
4 | 10111333023223 |
5 | 122123411213 |
6 | 11121525311 |
7 | 1543256542 |
oct | 425771353 |
9 | 162108467 |
10 | 72872683 |
11 | 38153364 |
12 | 204a3837 |
13 | 12136240 |
14 | 996d159 |
15 | 65e6d8d |
hex | 457f2eb |
72872683 has 12 divisors (see below), whose sum is σ = 79359280. Its totient is φ = 66519936.
The previous prime is 72872669. The next prime is 72872687. The reversal of 72872683 is 38627827.
It is not a de Polignac number, because 72872683 - 25 = 72872651 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72872687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165778 + ... + 166216.
Almost surely, 272872683 is an apocalyptic number.
72872683 is a deficient number, since it is larger than the sum of its proper divisors (6486597).
72872683 is a wasteful number, since it uses less digits than its factorization.
72872683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 678 (or 565 counting only the distinct ones).
The product of its digits is 225792, while the sum is 43.
The square root of 72872683 is about 8536.5498299957. The cubic root of 72872683 is about 417.6908097894.
The spelling of 72872683 in words is "seventy-two million, eight hundred seventy-two thousand, six hundred eighty-three".
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