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48939 = 3111483
BaseRepresentation
bin1011111100101011
32111010120
423330223
53031224
61014323
7262452
oct137453
974116
1048939
1133850
12243a3
1319377
1413b99
15e779
hexbf2b

48939 has 8 divisors (see below), whose sum is σ = 71232. Its totient is φ = 29640.

The previous prime is 48907. The next prime is 48947. The reversal of 48939 is 93984.

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

It is not a de Polignac number, because 48939 - 25 = 48907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1483 = 48939 / (4 + 8 + 9 + 3 + 9).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48939.

It is not an unprimeable number, because it can be changed into a prime (48989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (8904).

248939 is an apocalyptic number.

48939 is a deficient number, since it is larger than the sum of its proper divisors (22293).

48939 is a wasteful number, since it uses less digits than its factorization.

48939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497.

The product of its digits is 7776, while the sum is 33.

The square root of 48939 is about 221.2216083478. The cubic root of 48939 is about 36.5778659206.

It can be divided in two parts, 489 and 39, that added together give a triangular number (528 = T32).

The spelling of 48939 in words is "forty-eight thousand, nine hundred thirty-nine".

Divisors: 1 3 11 33 1483 4449 16313 48939