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390353053 is a prime number
BaseRepresentation
bin10111010001000…
…101000010011101
31000012111222201111
4113101011002131
51244412244203
6102422342021
712446642356
oct2721050235
91005458644
10390353053
11190387032
12aa88a911
1362b4464c
1439bb2d2d
152440a26d
hex1744509d

390353053 has 2 divisors, whose sum is σ = 390353054. Its totient is φ = 390353052.

The previous prime is 390352993. The next prime is 390353111. The reversal of 390353053 is 350353093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262504804 + 127848249 = 16202^2 + 11307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-390353053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390351053) 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, 195176526 + 195176527.

It is an arithmetic number, because the mean of its divisors is an integer number (195176527).

Almost surely, 2390353053 is an apocalyptic number.

It is an amenable number.

390353053 is a deficient number, since it is larger than the sum of its proper divisors (1).

390353053 is an equidigital number, since it uses as much as digits as its factorization.

390353053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 31.

The square root of 390353053 is about 19757.3544028546. The cubic root of 390353053 is about 730.8347572298.

The spelling of 390353053 in words is "three hundred ninety million, three hundred fifty-three thousand, fifty-three".