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402079201 is a prime number
BaseRepresentation
bin10111111101110…
…011110111100001
31001000120201222021
4113331303313201
51310413013301
6103521541441
712651421366
oct2775636741
91030521867
10402079201
11196a66067
12b27a4881
13653bbab4
143b58646d
15254748a1
hex17f73de1

402079201 has 2 divisors, whose sum is σ = 402079202. Its totient is φ = 402079200.

The previous prime is 402079193. The next prime is 402079241. The reversal of 402079201 is 102970204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224550225 + 177528976 = 14985^2 + 13324^2 .

It is a cyclic number.

It is not a de Polignac number, because 402079201 - 23 = 402079193 is a prime.

It is not a weakly prime, because it can be changed into another prime (402079241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201039600 + 201039601.

It is an arithmetic number, because the mean of its divisors is an integer number (201039601).

Almost surely, 2402079201 is an apocalyptic number.

It is an amenable number.

402079201 is a deficient number, since it is larger than the sum of its proper divisors (1).

402079201 is an equidigital number, since it uses as much as digits as its factorization.

402079201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 402079201 is about 20051.9126519143. The cubic root of 402079201 is about 738.0807344299.

The spelling of 402079201 in words is "four hundred two million, seventy-nine thousand, two hundred one".