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48668889 = 316222963
BaseRepresentation
bin1011100110101…
…0000011011001
310101120122011110
42321222003121
544424401024
64455050533
71130451543
oct271520331
9111518143
1048668889
1125521725
1214370a49
13a110579
14666c693
154415629
hex2e6a0d9

48668889 has 4 divisors (see below), whose sum is σ = 64891856. Its totient is φ = 32445924.

The previous prime is 48668869. The next prime is 48668903. The reversal of 48668889 is 98886684.

48668889 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48668889 - 215 = 48636121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48668869) 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, 8111479 + ... + 8111484.

It is an arithmetic number, because the mean of its divisors is an integer number (16222964).

Almost surely, 248668889 is an apocalyptic number.

It is an amenable number.

48668889 is a deficient number, since it is larger than the sum of its proper divisors (16222967).

48668889 is a wasteful number, since it uses less digits than its factorization.

48668889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16222966.

The product of its digits is 5308416, while the sum is 57.

The square root of 48668889 is about 6976.3091244583. The cubic root of 48668889 is about 365.1044650008.

The spelling of 48668889 in words is "forty-eight million, six hundred sixty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 16222963 48668889