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457468157 is a prime number
BaseRepresentation
bin11011010001000…
…110100011111101
31011212210210100002
4123101012203331
51414102440112
6113221044045
714223262256
oct3321064375
91155723302
10457468157
11215257663
12109256625
1373a13023
1444a83b2d
152a2661c2
hex1b4468fd

457468157 has 2 divisors, whose sum is σ = 457468158. Its totient is φ = 457468156.

The previous prime is 457468117. The next prime is 457468159. The reversal of 457468157 is 751864754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324504196 + 132963961 = 18014^2 + 11531^2 .

It is a cyclic number.

It is not a de Polignac number, because 457468157 - 214 = 457451773 is a prime.

It is a super-2 number, since 2×4574681572 = 418554229337953298, which contains 22 as substring.

Together with 457468159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457468159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228734078 + 228734079.

It is an arithmetic number, because the mean of its divisors is an integer number (228734079).

Almost surely, 2457468157 is an apocalyptic number.

It is an amenable number.

457468157 is a deficient number, since it is larger than the sum of its proper divisors (1).

457468157 is an equidigital number, since it uses as much as digits as its factorization.

457468157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 47.

The square root of 457468157 is about 21388.5052539910. The cubic root of 457468157 is about 770.5253945038.

The spelling of 457468157 in words is "four hundred fifty-seven million, four hundred sixty-eight thousand, one hundred fifty-seven".