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401454241 is a prime number
BaseRepresentation
bin10111111011011…
…011010010100001
31000222101222200121
4113323123102201
51310233013431
6103500320241
712643206346
oct2773332241
91028358617
10401454241
11196679571
12b2543081
13652304b6
143b4627cd
152539e611
hex17edb4a1

401454241 has 2 divisors, whose sum is σ = 401454242. Its totient is φ = 401454240.

The previous prime is 401454223. The next prime is 401454271. The reversal of 401454241 is 142454104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239630400 + 161823841 = 15480^2 + 12721^2 .

It is a cyclic number.

It is not a de Polignac number, because 401454241 - 221 = 399357089 is a prime.

It is a super-2 number, since 2×4014542412 = 322331015233772162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401454271) 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, 200727120 + 200727121.

It is an arithmetic number, because the mean of its divisors is an integer number (200727121).

Almost surely, 2401454241 is an apocalyptic number.

It is an amenable number.

401454241 is a deficient number, since it is larger than the sum of its proper divisors (1).

401454241 is an equidigital number, since it uses as much as digits as its factorization.

401454241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 401454241 is about 20036.3230409175. The cubic root of 401454241 is about 737.6981314263.

The spelling of 401454241 in words is "four hundred one million, four hundred fifty-four thousand, two hundred forty-one".