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48729313 = 53919421
BaseRepresentation
bin1011100111100…
…0110011100001
310101200201001101
42321320303201
544433314223
64500234401
71131122653
oct271706341
9111621041
1048729313
1125563066
121439ba01
13a131c19
1466866d3
1544284ad
hex2e78ce1

48729313 has 4 divisors (see below), whose sum is σ = 49648788. Its totient is φ = 47809840.

The previous prime is 48729311. The next prime is 48729337. The reversal of 48729313 is 31392784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 6310144 = 6513^2 + 2512^2 .

It is a cyclic number.

It is not a de Polignac number, because 48729313 - 21 = 48729311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48729311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459658 + ... + 459763.

It is an arithmetic number, because the mean of its divisors is an integer number (12412197).

Almost surely, 248729313 is an apocalyptic number.

It is an amenable number.

48729313 is a deficient number, since it is larger than the sum of its proper divisors (919475).

48729313 is an equidigital number, since it uses as much as digits as its factorization.

48729313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919474.

The product of its digits is 36288, while the sum is 37.

The square root of 48729313 is about 6980.6384378508. The cubic root of 48729313 is about 365.2554988480.

The spelling of 48729313 in words is "forty-eight million, seven hundred twenty-nine thousand, three hundred thirteen".

Divisors: 1 53 919421 48729313