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49481291 is a prime number
BaseRepresentation
bin1011110011000…
…0011001001011
310110002220120102
42330300121023
5100131400131
64524320015
71140404216
oct274603113
9113086512
1049481291
1125a27032
12146a300b
13a336292
14680077d
1545261cb
hex2f3064b

49481291 has 2 divisors, whose sum is σ = 49481292. Its totient is φ = 49481290.

The previous prime is 49481269. The next prime is 49481293. The reversal of 49481291 is 19218494.

49481291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49481291 - 26 = 49481227 is a prime.

Together with 49481293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49481293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24740645 + 24740646.

It is an arithmetic number, because the mean of its divisors is an integer number (24740646).

Almost surely, 249481291 is an apocalyptic number.

49481291 is a deficient number, since it is larger than the sum of its proper divisors (1).

49481291 is an equidigital number, since it uses as much as digits as its factorization.

49481291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 49481291 is about 7034.2939233444. The cubic root of 49481291 is about 367.1247586695.

The spelling of 49481291 in words is "forty-nine million, four hundred eighty-one thousand, two hundred ninety-one".