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48009 = 3131231
BaseRepresentation
bin1011101110001001
32102212010
423232021
53014014
61010133
7256653
oct135611
972763
1048009
1133085
1223949
1318b10
14136d3
15e359
hexbb89

48009 has 8 divisors (see below), whose sum is σ = 68992. Its totient is φ = 29520.

The previous prime is 47981. The next prime is 48017. The reversal of 48009 is 90084.

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

It is not a de Polignac number, because 48009 - 25 = 47977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (8624).

248009 is an apocalyptic number.

It is an amenable number.

48009 is a deficient number, since it is larger than the sum of its proper divisors (20983).

48009 is a wasteful number, since it uses less digits than its factorization.

48009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 48009 is about 219.1095616353. The cubic root of 48009 is about 36.3446831154.

The spelling of 48009 in words is "forty-eight thousand, nine".

Divisors: 1 3 13 39 1231 3693 16003 48009