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572338381 is a prime number
BaseRepresentation
bin100010000111010…
…011000011001101
31110212221210122211
4202013103003031
52133004312011
6132443110421
720116540006
oct4207230315
91425853584
10572338381
1127408532a
1213b812411
1391762084
14560261ad
15353a6b21
hex221d30cd

572338381 has 2 divisors, whose sum is σ = 572338382. Its totient is φ = 572338380.

The previous prime is 572338379. The next prime is 572338397. The reversal of 572338381 is 183833275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479215881 + 93122500 = 21891^2 + 9650^2 .

It is a cyclic number.

It is not a de Polignac number, because 572338381 - 21 = 572338379 is a prime.

It is a super-2 number, since 2×5723383812 = 655142444731402322, which contains 22 as substring.

Together with 572338379, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572338301) 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, 286169190 + 286169191.

It is an arithmetic number, because the mean of its divisors is an integer number (286169191).

Almost surely, 2572338381 is an apocalyptic number.

It is an amenable number.

572338381 is a deficient number, since it is larger than the sum of its proper divisors (1).

572338381 is an equidigital number, since it uses as much as digits as its factorization.

572338381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 572338381 is about 23923.5946504701. The cubic root of 572338381 is about 830.2667072437.

The spelling of 572338381 in words is "five hundred seventy-two million, three hundred thirty-eight thousand, three hundred eighty-one".