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48720115 = 59744023
BaseRepresentation
bin1011100111011…
…0100011110011
310101200020102201
42321312203303
544433020430
64500124031
71131054103
oct271664363
9111606381
1048720115
1125557164
1214396617
13a12a992
146683203
1544258ca
hex2e768f3

48720115 has 4 divisors (see below), whose sum is σ = 58464144. Its totient is φ = 38976088.

The previous prime is 48720107. The next prime is 48720131. The reversal of 48720115 is 51102784.

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 48720115 - 23 = 48720107 is a prime.

It is a super-2 number, since 2×487201152 = 4747299211226450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872007 + ... + 4872016.

It is an arithmetic number, because the mean of its divisors is an integer number (14616036).

Almost surely, 248720115 is an apocalyptic number.

48720115 is a deficient number, since it is larger than the sum of its proper divisors (9744029).

48720115 is an equidigital number, since it uses as much as digits as its factorization.

48720115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744028.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 48720115 is about 6979.9795844974. The cubic root of 48720115 is about 365.2325158885.

Adding to 48720115 its reverse (51102784), we get a palindrome (99822899).

It can be divided in two parts, 487 and 20115, that added together give a palindrome (20602).

The spelling of 48720115 in words is "forty-eight million, seven hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 9744023 48720115