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368872393 is a prime number
BaseRepresentation
bin10101111111001…
…000101111001001
3221201002122210111
4111333020233021
51223412404033
6100334114321
712066235501
oct2577105711
9851078714
10368872393
1117a24531a
12a364b9a1
135b5632b6
1436dc0a01
15225b57cd
hex15fc8bc9

368872393 has 2 divisors, whose sum is σ = 368872394. Its totient is φ = 368872392.

The previous prime is 368872381. The next prime is 368872397. The reversal of 368872393 is 393278863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278489344 + 90383049 = 16688^2 + 9507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-368872393 is a prime.

It is not a weakly prime, because it can be changed into another prime (368872397) 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, 184436196 + 184436197.

It is an arithmetic number, because the mean of its divisors is an integer number (184436197).

Almost surely, 2368872393 is an apocalyptic number.

It is an amenable number.

368872393 is a deficient number, since it is larger than the sum of its proper divisors (1).

368872393 is an equidigital number, since it uses as much as digits as its factorization.

368872393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 368872393 is about 19206.0509475530. The cubic root of 368872393 is about 717.1754001212.

The spelling of 368872393 in words is "three hundred sixty-eight million, eight hundred seventy-two thousand, three hundred ninety-three".