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379930493 is a prime number
BaseRepresentation
bin10110101001010…
…100011101111101
3222110220110122202
4112221110131331
51234230233433
6101411121245
712262233035
oct2651243575
9873813582
10379930493
11185508448
12a72a3225
1360935657
143865c8c5
152354bee8
hex16a5477d

379930493 has 2 divisors, whose sum is σ = 379930494. Its totient is φ = 379930492.

The previous prime is 379930459. The next prime is 379930519. The reversal of 379930493 is 394039973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356378884 + 23551609 = 18878^2 + 4853^2 .

It is a cyclic number.

It is not a de Polignac number, because 379930493 - 26 = 379930429 is a prime.

It is a super-2 number, since 2×3799304932 = 288694359022446098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379930193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189965246 + 189965247.

It is an arithmetic number, because the mean of its divisors is an integer number (189965247).

Almost surely, 2379930493 is an apocalyptic number.

It is an amenable number.

379930493 is a deficient number, since it is larger than the sum of its proper divisors (1).

379930493 is an equidigital number, since it uses as much as digits as its factorization.

379930493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 47.

The square root of 379930493 is about 19491.8057911523. The cubic root of 379930493 is about 724.2714793640.

The spelling of 379930493 in words is "three hundred seventy-nine million, nine hundred thirty thousand, four hundred ninety-three".