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48966139 = 1992411021
BaseRepresentation
bin1011101011001…
…0100111111011
310102010201220201
42322302213323
5100013404024
64505303031
71133130265
oct272624773
9112121821
1048966139
1125704a92
1214494a77
13a1b5961
146708b35
154473744
hex2eb29fb

48966139 has 8 divisors (see below), whose sum is σ = 49464800. Its totient is φ = 48470400.

The previous prime is 48966101. The next prime is 48966157. The reversal of 48966139 is 93166984.

48966139 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48966139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48966199) 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 in 7 ways as a sum of consecutive naturals, for example, 47449 + ... + 48469.

It is an arithmetic number, because the mean of its divisors is an integer number (6183100).

Almost surely, 248966139 is an apocalyptic number.

48966139 is a deficient number, since it is larger than the sum of its proper divisors (498661).

48966139 is a wasteful number, since it uses less digits than its factorization.

48966139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its digits is 279936, while the sum is 46.

The square root of 48966139 is about 6997.5809391532. The cubic root of 48966139 is about 365.8462605918.

The spelling of 48966139 in words is "forty-eight million, nine hundred sixty-six thousand, one hundred thirty-nine".

Divisors: 1 199 241 1021 47959 203179 246061 48966139