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48409878 = 23111136491
BaseRepresentation
bin1011100010101…
…0110100010110
310101002110212110
42320222310112
544343104003
64445331450
71125322446
oct270526426
9111073773
1048409878
1125365070
1214266b86
13a04c6ca
146602126
1543b3a03
hex2e2ad16

48409878 has 32 divisors (see below), whose sum is σ = 106572672. Its totient is φ = 14537600.

The previous prime is 48409849. The next prime is 48409901. The reversal of 48409878 is 87890484.

48409878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 4213 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (3330396).

Almost surely, 248409878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48409878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53286336).

48409878 is an abundant number, since it is smaller than the sum of its proper divisors (58162794).

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

48409878 is a wasteful number, since it uses less digits than its factorization.

48409878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 48409878 is about 6957.7207474862. The cubic root of 48409878 is about 364.4556293731.

The spelling of 48409878 in words is "forty-eight million, four hundred nine thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 113 226 339 678 1243 2486 3729 6491 7458 12982 19473 38946 71401 142802 214203 428406 733483 1466966 2200449 4400898 8068313 16136626 24204939 48409878