Base | Representation |
---|---|
bin | 1000100110010… |
… | …10100101110110 |
3 | 12000201201211221 |
4 | 10103022211312 |
5 | 121431223412 |
6 | 11054020554 |
7 | 1534056145 |
oct | 423124566 |
9 | 160651757 |
10 | 72132982 |
11 | 37798639 |
12 | 201a775a |
13 | 11c3764c |
14 | 981975c |
15 | 64ecb07 |
hex | 44ca976 |
72132982 has 4 divisors (see below), whose sum is σ = 108199476. Its totient is φ = 36066490.
The previous prime is 72132959. The next prime is 72132997. The reversal of 72132982 is 28923127.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18033244 + ... + 18033247.
It is an arithmetic number, because the mean of its divisors is an integer number (27049869).
Almost surely, 272132982 is an apocalyptic number.
72132982 is a deficient number, since it is larger than the sum of its proper divisors (36066494).
72132982 is a wasteful number, since it uses less digits than its factorization.
72132982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36066493.
The product of its digits is 12096, while the sum is 34.
The square root of 72132982 is about 8493.1137988373. The cubic root of 72132982 is about 416.2727308902.
The spelling of 72132982 in words is "seventy-two million, one hundred thirty-two thousand, nine hundred eighty-two".
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