Base | Representation |
---|---|
bin | 1000101001101… |
… | …10000000110110 |
3 | 12001120002102020 |
4 | 10110312000312 |
5 | 122034313412 |
6 | 11111254010 |
7 | 1540601016 |
oct | 424660066 |
9 | 161502366 |
10 | 72572982 |
11 | 37a69179 |
12 | 2037a306 |
13 | 1205c9c1 |
14 | 98d1c46 |
15 | 658818c |
hex | 4536036 |
72572982 has 16 divisors (see below), whose sum is σ = 148234752. Its totient is φ = 23676200.
The previous prime is 72572957. The next prime is 72572999. The reversal of 72572982 is 28927527.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 128394 + ... + 128957.
It is an arithmetic number, because the mean of its divisors is an integer number (9264672).
Almost surely, 272572982 is an apocalyptic number.
72572982 is an abundant number, since it is smaller than the sum of its proper divisors (75661770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72572982 is a wasteful number, since it uses less digits than its factorization.
72572982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257403.
The product of its digits is 141120, while the sum is 42.
The square root of 72572982 is about 8518.9777555761. The cubic root of 72572982 is about 417.1174154233.
The spelling of 72572982 in words is "seventy-two million, five hundred seventy-two thousand, nine hundred eighty-two".
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