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48003131 = 1120892
BaseRepresentation
bin1011011100011…
…1100000111011
310100022210220202
42313013200323
544242100011
64432512415
71122006551
oct267074073
9110283822
1048003131
1125107510
12140ab70b
139c39527
146537bd1
15433323b
hex2dc783b

48003131 has 6 divisors (see below), whose sum is σ = 52392132. Its totient is φ = 43618320.

The previous prime is 48003113. The next prime is 48003173. The reversal of 48003131 is 13130084.

It is a happy number.

It is not a de Polignac number, because 48003131 - 210 = 48002107 is a prime.

It is a super-2 number, since 2×480031312 = 4608601171606322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48003331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21935 + ... + 24023.

It is an arithmetic number, because the mean of its divisors is an integer number (8732022).

Almost surely, 248003131 is an apocalyptic number.

48003131 is a deficient number, since it is larger than the sum of its proper divisors (4389001).

48003131 is an frugal number, since it uses more digits than its factorization.

48003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 48003131 is about 6928.4291870524. The cubic root of 48003131 is about 363.4320203454.

The spelling of 48003131 in words is "forty-eight million, three thousand, one hundred thirty-one".

Divisors: 1 11 2089 22979 4363921 48003131