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49481269 is a prime number
BaseRepresentation
bin1011110011000…
…0011000110101
310110002220112121
42330300120311
5100131400034
64524315541
71140404155
oct274603065
9113086477
1049481269
1125a27012
12146a2bb1
13a336276
146800765
1545261b4
hex2f30635

49481269 has 2 divisors, whose sum is σ = 49481270. Its totient is φ = 49481268.

The previous prime is 49481251. The next prime is 49481291. The reversal of 49481269 is 96218494.

49481269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 14730244 = 5895^2 + 3838^2 .

It is a cyclic number.

It is not a de Polignac number, because 49481269 - 27 = 49481141 is a prime.

It is a super-2 number, since 2×494812692 = 4896791963700722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49481209) 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, 24740634 + 24740635.

It is an arithmetic number, because the mean of its divisors is an integer number (24740635).

Almost surely, 249481269 is an apocalyptic number.

It is an amenable number.

49481269 is a deficient number, since it is larger than the sum of its proper divisors (1).

49481269 is an equidigital number, since it uses as much as digits as its factorization.

49481269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 49481269 is about 7034.2923595768. The cubic root of 49481269 is about 367.1247042600.

The spelling of 49481269 in words is "forty-nine million, four hundred eighty-one thousand, two hundred sixty-nine".