Search a number
-
+
57145351 is a prime number
BaseRepresentation
bin1101100111111…
…1100000000111
310222112021200111
43121333200013
5104112122401
65400453451
71262504344
oct331774007
9128467614
1057145351
112a29116a
121717a287
13baba823
1478377cb
15503be51
hex367f807

57145351 has 2 divisors, whose sum is σ = 57145352. Its totient is φ = 57145350.

The previous prime is 57145337. The next prime is 57145357. The reversal of 57145351 is 15354175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57145351 - 29 = 57144839 is a prime.

It is a super-2 number, since 2×571453512 = 6531182281826402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57145357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572675 + 28572676.

It is an arithmetic number, because the mean of its divisors is an integer number (28572676).

Almost surely, 257145351 is an apocalyptic number.

57145351 is a deficient number, since it is larger than the sum of its proper divisors (1).

57145351 is an equidigital number, since it uses as much as digits as its factorization.

57145351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 57145351 is about 7559.4544115300. The cubic root of 57145351 is about 385.1769603096.

The spelling of 57145351 in words is "fifty-seven million, one hundred forty-five thousand, three hundred fifty-one".