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404053271 is a prime number
BaseRepresentation
bin11000000101010…
…101110100010111
31001011022000212222
4120011111310113
51311414201041
6104032132555
713004252606
oct3005256427
91034260788
10404053271
11198094226
12b339715b
136593049b
143b93ba3d
152571474b
hex18155d17

404053271 has 2 divisors, whose sum is σ = 404053272. Its totient is φ = 404053270.

The previous prime is 404053249. The next prime is 404053301. The reversal of 404053271 is 172350404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404053271 - 26 = 404053207 is a prime.

It is a Chen prime.

It is equal to p21540860 and since 404053271 and 21540860 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404053271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404053471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202026635 + 202026636.

It is an arithmetic number, because the mean of its divisors is an integer number (202026636).

Almost surely, 2404053271 is an apocalyptic number.

404053271 is a deficient number, since it is larger than the sum of its proper divisors (1).

404053271 is an equidigital number, since it uses as much as digits as its factorization.

404053271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 404053271 is about 20101.0763642149. The cubic root of 404053271 is about 739.2866701603.

The spelling of 404053271 in words is "four hundred four million, fifty-three thousand, two hundred seventy-one".