Base | Representation |
---|---|
bin | 1000100111010… |
… | …00011000000110 |
3 | 12000221221012110 |
4 | 10103220120012 |
5 | 121444124412 |
6 | 11100401450 |
7 | 1535104632 |
oct | 423503006 |
9 | 160857173 |
10 | 72254982 |
11 | 37871268 |
12 | 20246286 |
13 | 11c7b037 |
14 | 984bdc2 |
15 | 6523d3c |
hex | 44e8606 |
72254982 has 16 divisors (see below), whose sum is σ = 144613872. Its totient is φ = 24067680.
The previous prime is 72254977. The next prime is 72254989. The reversal of 72254982 is 28945227.
It is a self number, because there is not a number n which added to its sum of digits gives 72254982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72254989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988 + ... + 13904.
It is an arithmetic number, because the mean of its divisors is an integer number (9038367).
Almost surely, 272254982 is an apocalyptic number.
72254982 is an abundant number, since it is smaller than the sum of its proper divisors (72358890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72254982 is a wasteful number, since it uses less digits than its factorization.
72254982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8663.
The product of its digits is 80640, while the sum is 39.
The square root of 72254982 is about 8500.2930537717. The cubic root of 72254982 is about 416.5072822574.
The spelling of 72254982 in words is "seventy-two million, two hundred fifty-four thousand, nine hundred eighty-two".
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