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392393293 is a prime number
BaseRepresentation
bin10111011000110…
…111001001001101
31000100100122101221
4113120313021031
51300423041133
6102534203341
712503200525
oct2730671115
91010318357
10392393293
1119154a986
12ab4b3551
13633aa1a6
143a184685
15246aea2d
hex1763724d

392393293 has 2 divisors, whose sum is σ = 392393294. Its totient is φ = 392393292.

The previous prime is 392393279. The next prime is 392393299.

392393293 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384081604 + 8311689 = 19598^2 + 2883^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 392393293 - 225 = 358838861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392393299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196196646 + 196196647.

It is an arithmetic number, because the mean of its divisors is an integer number (196196647).

Almost surely, 2392393293 is an apocalyptic number.

It is an amenable number.

392393293 is a deficient number, since it is larger than the sum of its proper divisors (1).

392393293 is an equidigital number, since it uses as much as digits as its factorization.

392393293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 236196, while the sum is 43.

The square root of 392393293 is about 19808.9195313626. The cubic root of 392393293 is about 732.1058185828.

The spelling of 392393293 in words is "three hundred ninety-two million, three hundred ninety-three thousand, two hundred ninety-three".