Base | Representation |
---|---|
bin | 1000101100110… |
… | …10011100110100 |
3 | 12002022222201220 |
4 | 10112122130310 |
5 | 122140444442 |
6 | 11124150340 |
7 | 1544233266 |
oct | 426323464 |
9 | 162288656 |
10 | 72984372 |
11 | 3821a26a |
12 | 205383b0 |
13 | 12175026 |
14 | 999bb36 |
15 | 6619eec |
hex | 459a734 |
72984372 has 24 divisors (see below), whose sum is σ = 171444000. Its totient is φ = 24164256.
The previous prime is 72984367. The next prime is 72984389. The reversal of 72984372 is 27348927.
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 in 7 ways as a sum of consecutive naturals, for example, 18622 + ... + 22197.
It is an arithmetic number, because the mean of its divisors is an integer number (7143500).
Almost surely, 272984372 is an apocalyptic number.
It is an amenable number.
72984372 is an abundant number, since it is smaller than the sum of its proper divisors (98459628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72984372 is a wasteful number, since it uses less digits than its factorization.
72984372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40975 (or 40973 counting only the distinct ones).
The product of its digits is 169344, while the sum is 42.
The square root of 72984372 is about 8543.0891368404. The cubic root of 72984372 is about 417.9040934398.
The spelling of 72984372 in words is "seventy-two million, nine hundred eighty-four thousand, three hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •