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48013731 = 325334859
BaseRepresentation
bin1011011100101…
…0000110100011
310100100100110100
42313022012203
544242414411
64433033443
71122052503
oct267120643
9110310410
1048013731
1125114477
12140b5883
139c412bc
14653ba03
154336456
hex2dca1a3

48013731 has 6 divisors (see below), whose sum is σ = 69353180. Its totient is φ = 32009148.

The previous prime is 48013723. The next prime is 48013733. The reversal of 48013731 is 13731084.

48013731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48013731 - 23 = 48013723 is a prime.

It is a super-2 number, since 2×480137312 = 4610636729080722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48013695 and 48013704.

It is not an unprimeable number, because it can be changed into a prime (48013733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2667421 + ... + 2667438.

Almost surely, 248013731 is an apocalyptic number.

48013731 is a deficient number, since it is larger than the sum of its proper divisors (21339449).

48013731 is a wasteful number, since it uses less digits than its factorization.

48013731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334865 (or 5334862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 48013731 is about 6929.1941089855. The cubic root of 48013731 is about 363.4587692665.

The spelling of 48013731 in words is "forty-eight million, thirteen thousand, seven hundred thirty-one".

Divisors: 1 3 9 5334859 16004577 48013731