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48920868 = 22331932347
BaseRepresentation
bin1011101010011…
…1100100100100
310102001102211000
42322213210210
5100010431433
64504313300
71132551303
oct272474444
9112042730
1048920868
1125683a77
1214472830
13a19b179
1466d643a
154465113
hex2ea7924

48920868 has 48 divisors (see below), whose sum is σ = 127543360. Its totient is φ = 16215552.

The previous prime is 48920863. The next prime is 48920869. The reversal of 48920868 is 86802984.

It is a happy number.

48920868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (48920863) 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 15 ways as a sum of consecutive naturals, for example, 19671 + ... + 22017.

Almost surely, 248920868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48920868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63771680).

48920868 is an abundant number, since it is smaller than the sum of its proper divisors (78622492).

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

48920868 is a wasteful number, since it uses less digits than its factorization.

48920868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 48920868 is about 6994.3454304173. The cubic root of 48920868 is about 365.7334797113.

Subtracting from 48920868 its product of nonzero digits (221184), we obtain a palindrome (48699684).

The spelling of 48920868 in words is "forty-eight million, nine hundred twenty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 193 386 579 772 1158 1737 2316 2347 3474 4694 5211 6948 7041 9388 10422 14082 20844 21123 28164 42246 63369 84492 126738 253476 452971 905942 1358913 1811884 2717826 4076739 5435652 8153478 12230217 16306956 24460434 48920868