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457312061 is a prime number
BaseRepresentation
bin11011010000100…
…000011100111101
31011212111212012202
4123100200130331
51414032441221
6113213441245
714222042213
oct3320403475
91155455182
10457312061
11215160358
121091a0225
1373989c6b
1444a42cb3
152a234d0b
hex1b42073d

457312061 has 2 divisors, whose sum is σ = 457312062. Its totient is φ = 457312060.

The previous prime is 457312003. The next prime is 457312081. The reversal of 457312061 is 160213754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444956836 + 12355225 = 21094^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 457312061 - 26 = 457311997 is a prime.

It is a super-2 number, since 2×4573120612 = 418268642272135442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228656030 + 228656031.

It is an arithmetic number, because the mean of its divisors is an integer number (228656031).

Almost surely, 2457312061 is an apocalyptic number.

It is an amenable number.

457312061 is a deficient number, since it is larger than the sum of its proper divisors (1).

457312061 is an equidigital number, since it uses as much as digits as its factorization.

457312061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 457312061 is about 21384.8558798043. The cubic root of 457312061 is about 770.4377456968.

The spelling of 457312061 in words is "four hundred fifty-seven million, three hundred twelve thousand, sixty-one".