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49999293 = 3244912373
BaseRepresentation
bin1011111010111…
…0110110111101
310111002020010200
42332232312331
5100244434133
64543354113
71144662351
oct276566675
9114066120
1049999293
1126250233
12148b2939
13a487ca6
1468d7461
1545c9913
hex2faedbd

49999293 has 12 divisors (see below), whose sum is σ = 72387900. Its totient is φ = 33255936.

The previous prime is 49999291. The next prime is 49999297. The reversal of 49999293 is 39299994.

It can be written as a sum of positive squares in 2 ways, for example, as 28068804 + 21930489 = 5298^2 + 4683^2 .

It is not a de Polignac number, because 49999293 - 21 = 49999291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2146 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (6032325).

Almost surely, 249999293 is an apocalyptic number.

It is an amenable number.

49999293 is a deficient number, since it is larger than the sum of its proper divisors (22388607).

49999293 is a wasteful number, since it uses less digits than its factorization.

49999293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828 (or 12825 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 49999293 is about 7071.0178192393. The cubic root of 49999293 is about 368.4014134490.

The spelling of 49999293 in words is "forty-nine million, nine hundred ninety-nine thousand, two hundred ninety-three".

Divisors: 1 3 9 449 1347 4041 12373 37119 111357 5555477 16666431 49999293