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930526381 is a prime number
BaseRepresentation
bin110111011101101…
…011010010101101
32101211221122020001
4313131223102231
53401203321011
6232200224301
732026225621
oct6735532255
92354848201
10930526381
11438292274
1221b76b091
1311aa24135
148b825181
1556a5b7c1
hex3776b4ad

930526381 has 2 divisors, whose sum is σ = 930526382. Its totient is φ = 930526380.

The previous prime is 930526379. The next prime is 930526397. The reversal of 930526381 is 183625039.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657153225 + 273373156 = 25635^2 + 16534^2 .

It is a cyclic number.

It is not a de Polignac number, because 930526381 - 21 = 930526379 is a prime.

It is a super-2 number, since 2×9305263812 = 1731758691473914322, which contains 22 as substring.

Together with 930526379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 930526381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (930526301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465263190 + 465263191.

It is an arithmetic number, because the mean of its divisors is an integer number (465263191).

Almost surely, 2930526381 is an apocalyptic number.

It is an amenable number.

930526381 is a deficient number, since it is larger than the sum of its proper divisors (1).

930526381 is an equidigital number, since it uses as much as digits as its factorization.

930526381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 930526381 is about 30504.5304995832. The cubic root of 930526381 is about 976.2841308195.

The spelling of 930526381 in words is "nine hundred thirty million, five hundred twenty-six thousand, three hundred eighty-one".