Base | Representation |
---|---|
bin | 1000100110111… |
… | …00010111100000 |
3 | 12000212102201121 |
4 | 10103130113200 |
5 | 121441041132 |
6 | 11055342024 |
7 | 1534511341 |
oct | 423342740 |
9 | 160772647 |
10 | 72205792 |
11 | 3783830a |
12 | 20221914 |
13 | 11c61829 |
14 | 98380c8 |
15 | 6514497 |
hex | 44dc5e0 |
72205792 has 12 divisors (see below), whose sum is σ = 142155216. Its totient is φ = 36102880.
The previous prime is 72205751. The next prime is 72205807. The reversal of 72205792 is 29750227.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128184 + ... + 1128247.
It is an arithmetic number, because the mean of its divisors is an integer number (11846268).
Almost surely, 272205792 is an apocalyptic number.
It is an amenable number.
72205792 is a deficient number, since it is larger than the sum of its proper divisors (69949424).
72205792 is a wasteful number, since it uses less digits than its factorization.
72205792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2256441 (or 2256433 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 34.
The square root of 72205792 is about 8497.3991314990. The cubic root of 72205792 is about 416.4127437047.
The spelling of 72205792 in words is "seventy-two million, two hundred five thousand, seven hundred ninety-two".
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