Base | Representation |
---|---|
bin | 100010001000000… |
… | …111010010111101 |
3 | 1110220100200012202 |
4 | 202020013102331 |
5 | 2133033134011 |
6 | 132451441245 |
7 | 20121420632 |
oct | 4210072275 |
9 | 1426320182 |
10 | 572552381 |
11 | 274211095 |
12 | 13b8b6225 |
13 | 918085bb |
14 | 56080189 |
15 | 353ea23b |
hex | 222074bd |
572552381 has 2 divisors, whose sum is σ = 572552382. Its totient is φ = 572552380.
The previous prime is 572552377. The next prime is 572552411. The reversal of 572552381 is 183255275.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 378925156 + 193627225 = 19466^2 + 13915^2 .
It is a cyclic number.
It is not a de Polignac number, because 572552381 - 22 = 572552377 is a prime.
It is a super-2 number, since 2×5725523812 = 655632457977538322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (572552311) by changing a digit.
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 as a sum of consecutive naturals, namely, 286276190 + 286276191.
It is an arithmetic number, because the mean of its divisors is an integer number (286276191).
Almost surely, 2572552381 is an apocalyptic number.
It is an amenable number.
572552381 is a deficient number, since it is larger than the sum of its proper divisors (1).
572552381 is an equidigital number, since it uses as much as digits as its factorization.
572552381 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 84000, while the sum is 38.
The square root of 572552381 is about 23928.0668044872. The cubic root of 572552381 is about 830.3701745520.
The spelling of 572552381 in words is "five hundred seventy-two million, five hundred fifty-two thousand, three hundred eighty-one".
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