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48705128 = 236088141
BaseRepresentation
bin1011100111001…
…0111001101000
310101122110212122
42321302321220
544432031003
64455530412
71130662313
oct271627150
9111573778
1048705128
112554697a
1214389a08
13a123c04
14667b97a
154421238
hex2e72e68

48705128 has 8 divisors (see below), whose sum is σ = 91322130. Its totient is φ = 24352560.

The previous prime is 48705127. The next prime is 48705179. The reversal of 48705128 is 82150784.

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 3034564 = 6758^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (48705121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3044063 + ... + 3044078.

Almost surely, 248705128 is an apocalyptic number.

It is an amenable number.

48705128 is a deficient number, since it is larger than the sum of its proper divisors (42617002).

48705128 is a wasteful number, since it uses less digits than its factorization.

48705128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088147 (or 6088143 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 48705128 is about 6978.9059314480. The cubic root of 48705128 is about 365.1950618097.

The spelling of 48705128 in words is "forty-eight million, seven hundred five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 6088141 12176282 24352564 48705128