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49195457 is a prime number
BaseRepresentation
bin1011101110101…
…0100111000001
310102120101110222
42323222213001
5100043223312
64514232425
71135103663
oct273524701
9112511428
1049195457
1125851303
1214585715
13a26614c
146768533
1544bb672
hex2eea9c1

49195457 has 2 divisors, whose sum is σ = 49195458. Its totient is φ = 49195456.

The previous prime is 49195451. The next prime is 49195493. The reversal of 49195457 is 75459194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31013761 + 18181696 = 5569^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 49195457 - 24 = 49195441 is a prime.

It is not a weakly prime, because it can be changed into another prime (49195451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24597728 + 24597729.

It is an arithmetic number, because the mean of its divisors is an integer number (24597729).

Almost surely, 249195457 is an apocalyptic number.

It is an amenable number.

49195457 is a deficient number, since it is larger than the sum of its proper divisors (1).

49195457 is an equidigital number, since it uses as much as digits as its factorization.

49195457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 49195457 is about 7013.9473194486. The cubic root of 49195457 is about 366.4164812138.

The spelling of 49195457 in words is "forty-nine million, one hundred ninety-five thousand, four hundred fifty-seven".