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49905253 is a prime number
BaseRepresentation
bin1011111001011…
…1111001100101
310110220110010201
42332113321211
5100233432003
64541350501
71144121236
oct276277145
9113813121
1049905253
1126196612
1214868431
13a454248
1468b108d
1545abb1d
hex2f97e65

49905253 has 2 divisors, whose sum is σ = 49905254. Its totient is φ = 49905252.

The previous prime is 49905227. The next prime is 49905311. The reversal of 49905253 is 35250994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 5189284 = 6687^2 + 2278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49905253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49905853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24952626 + 24952627.

It is an arithmetic number, because the mean of its divisors is an integer number (24952627).

Almost surely, 249905253 is an apocalyptic number.

It is an amenable number.

49905253 is a deficient number, since it is larger than the sum of its proper divisors (1).

49905253 is an equidigital number, since it uses as much as digits as its factorization.

49905253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 49905253 is about 7064.3650103884. The cubic root of 49905253 is about 368.1703021029.

The spelling of 49905253 in words is "forty-nine million, nine hundred five thousand, two hundred fifty-three".