Base | Representation |
---|---|
bin | 1000101001000… |
… | …10011010001011 |
3 | 12001102000021012 |
4 | 10110202122023 |
5 | 122024231213 |
6 | 11105434135 |
7 | 1540114634 |
oct | 424423213 |
9 | 161360235 |
10 | 72492683 |
11 | 37a1390a |
12 | 2033b94b |
13 | 120322a3 |
14 | 98b088b |
15 | 656e4a8 |
hex | 452268b |
72492683 has 4 divisors (see below), whose sum is σ = 72548640. Its totient is φ = 72436728.
The previous prime is 72492671. The next prime is 72492689. The reversal of 72492683 is 38629427.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72492683 - 218 = 72230539 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72492683.
It is not an unprimeable number, because it can be changed into a prime (72492689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25988 + ... + 28641.
It is an arithmetic number, because the mean of its divisors is an integer number (18137160).
Almost surely, 272492683 is an apocalyptic number.
72492683 is a deficient number, since it is larger than the sum of its proper divisors (55957).
72492683 is a wasteful number, since it uses less digits than its factorization.
72492683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55956.
The product of its digits is 145152, while the sum is 41.
The square root of 72492683 is about 8514.2635030870. The cubic root of 72492683 is about 416.9635175984.
The spelling of 72492683 in words is "seventy-two million, four hundred ninety-two thousand, six hundred eighty-three".
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