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48613728 = 253506393
BaseRepresentation
bin1011100101110…
…0100101100000
310101110211111110
42321130211200
544421114403
64453543320
71130131662
oct271344540
9111424443
1048613728
1125494239
1214344b40
13a0c1427
146656532
154404103
hex2e5c960

48613728 has 24 divisors (see below), whose sum is σ = 127611288. Its totient is φ = 16204544.

The previous prime is 48613717. The next prime is 48613729. The reversal of 48613728 is 82731684.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48613729) 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, 253101 + ... + 253292.

It is an arithmetic number, because the mean of its divisors is an integer number (5317137).

Almost surely, 248613728 is an apocalyptic number.

48613728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

48613728 is an abundant number, since it is smaller than the sum of its proper divisors (78997560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48613728 is a wasteful number, since it uses less digits than its factorization.

48613728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506406 (or 506398 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 48613728 is about 6972.3545520864. The cubic root of 48613728 is about 364.9664771865.

The spelling of 48613728 in words is "forty-eight million, six hundred thirteen thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 506393 1012786 1519179 2025572 3038358 4051144 6076716 8102288 12153432 16204576 24306864 48613728