Base | Representation |
---|---|
bin | 1000101001110… |
… | …00001110000111 |
3 | 12001120112211002 |
4 | 10110320032013 |
5 | 122040111043 |
6 | 11111403515 |
7 | 1540636253 |
oct | 424701607 |
9 | 161515732 |
10 | 72582023 |
11 | 37a74a48 |
12 | 2038359b |
13 | 12063b57 |
14 | 98d5263 |
15 | 658abb8 |
hex | 4538387 |
72582023 has 2 divisors, whose sum is σ = 72582024. Its totient is φ = 72582022.
The previous prime is 72582017. The next prime is 72582031. The reversal of 72582023 is 32028527.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 72582023 - 24 = 72582007 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72582823) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36291011 + 36291012.
It is an arithmetic number, because the mean of its divisors is an integer number (36291012).
Almost surely, 272582023 is an apocalyptic number.
72582023 is a deficient number, since it is larger than the sum of its proper divisors (1).
72582023 is an equidigital number, since it uses as much as digits as its factorization.
72582023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 72582023 is about 8519.5083778350. The cubic root of 72582023 is about 417.1347359277.
The spelling of 72582023 in words is "seventy-two million, five hundred eighty-two thousand, twenty-three".
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