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48720539 = 76960077
BaseRepresentation
bin1011100111011…
…0101010011011
310101200021000102
42321312222123
544433024124
64500130015
71131055250
oct271665233
9111607012
1048720539
112555750a
121439690b
13a12ac2a
146683427
154425aae
hex2e76a9b

48720539 has 4 divisors (see below), whose sum is σ = 55680624. Its totient is φ = 41760456.

The previous prime is 48720523. The next prime is 48720547. The reversal of 48720539 is 93502784.

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

It is a cyclic number.

It is not a de Polignac number, because 48720539 - 24 = 48720523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48720559) 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, 3480032 + ... + 3480045.

It is an arithmetic number, because the mean of its divisors is an integer number (13920156).

Almost surely, 248720539 is an apocalyptic number.

48720539 is a deficient number, since it is larger than the sum of its proper divisors (6960085).

48720539 is an equidigital number, since it uses as much as digits as its factorization.

48720539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960084.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 48720539 is about 6980.0099570130. The cubic root of 48720539 is about 365.2335753971.

The spelling of 48720539 in words is "forty-eight million, seven hundred twenty thousand, five hundred thirty-nine".

Divisors: 1 7 6960077 48720539