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49475513 is a prime number
BaseRepresentation
bin1011110010111…
…0111110111001
310110002121122102
42330232332321
5100131204023
64524233145
71140351323
oct274567671
9113077572
1049475513
1125a2275a
121469b7b5
13a333769
1467dc613
154524628
hex2f2efb9

49475513 has 2 divisors, whose sum is σ = 49475514. Its totient is φ = 49475512.

The previous prime is 49475509. The next prime is 49475519. The reversal of 49475513 is 31557494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38539264 + 10936249 = 6208^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 49475513 - 22 = 49475509 is a prime.

It is a super-2 number, since 2×494755132 = 4895652773226338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49475519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24737756 + 24737757.

It is an arithmetic number, because the mean of its divisors is an integer number (24737757).

Almost surely, 249475513 is an apocalyptic number.

It is an amenable number.

49475513 is a deficient number, since it is larger than the sum of its proper divisors (1).

49475513 is an equidigital number, since it uses as much as digits as its factorization.

49475513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 49475513 is about 7033.8832091527. The cubic root of 49475513 is about 367.1104682216.

The spelling of 49475513 in words is "forty-nine million, four hundred seventy-five thousand, five hundred thirteen".