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457044131 is a prime number
BaseRepresentation
bin11011001111011…
…111000010100011
31011212000020200102
4123033133002203
51414000403011
6113204013015
714216545115
oct3317370243
91155006612
10457044131
11214a98025
1210909116b
13738c501b
14449b33b5
152a1d073b
hex1b3df0a3

457044131 has 2 divisors, whose sum is σ = 457044132. Its totient is φ = 457044130.

The previous prime is 457044079. The next prime is 457044139. The reversal of 457044131 is 131440754.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-457044131 is a prime.

It is a super-2 number, since 2×4570441312 = 417778675363090322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457044094 and 457044103.

It is not a weakly prime, because it can be changed into another prime (457044139) 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, 228522065 + 228522066.

It is an arithmetic number, because the mean of its divisors is an integer number (228522066).

Almost surely, 2457044131 is an apocalyptic number.

457044131 is a deficient number, since it is larger than the sum of its proper divisors (1).

457044131 is an equidigital number, since it uses as much as digits as its factorization.

457044131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 457044131 is about 21378.5904820687. The cubic root of 457044131 is about 770.2872549422.

Adding to 457044131 its reverse (131440754), we get a palindrome (588484885).

The spelling of 457044131 in words is "four hundred fifty-seven million, forty-four thousand, one hundred thirty-one".