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48238457 = 113426889
BaseRepresentation
bin1011100000000…
…0111101111001
310100202202201112
42320000331321
544322112312
64441530105
71124006621
oct270007571
9110682645
1048238457
11252582a3
12141a3935
139cbc687
146599881
15437cd22
hex2e00f79

48238457 has 4 divisors (see below), whose sum is σ = 48665460. Its totient is φ = 47811456.

The previous prime is 48238453. The next prime is 48238481. The reversal of 48238457 is 75483284.

48238457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 614656 + 47623801 = 784^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 48238457 - 22 = 48238453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48238453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213332 + ... + 213557.

It is an arithmetic number, because the mean of its divisors is an integer number (12166365).

Almost surely, 248238457 is an apocalyptic number.

It is an amenable number.

48238457 is a deficient number, since it is larger than the sum of its proper divisors (427003).

48238457 is a wasteful number, since it uses less digits than its factorization.

48238457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427002.

The product of its digits is 215040, while the sum is 41.

The square root of 48238457 is about 6945.3910617042. The cubic root of 48238457 is about 364.0249374092.

The spelling of 48238457 in words is "forty-eight million, two hundred thirty-eight thousand, four hundred fifty-seven".

Divisors: 1 113 426889 48238457