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48779442 = 233903323
BaseRepresentation
bin1011101000010…
…1000010110010
310101210020211000
42322011002302
544441420232
64501302430
71131422055
oct272050262
9111706730
1048779442
1125597798
1214404a16
13a14b99a
14669aa9c
15443827c
hex2e850b2

48779442 has 16 divisors (see below), whose sum is σ = 108398880. Its totient is φ = 16259796.

The previous prime is 48779413. The next prime is 48779447. The reversal of 48779442 is 24497784.

It is not an unprimeable number, because it can be changed into a prime (48779447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451608 + ... + 451715.

It is an arithmetic number, because the mean of its divisors is an integer number (6774930).

Almost surely, 248779442 is an apocalyptic number.

48779442 is an abundant number, since it is smaller than the sum of its proper divisors (59619438).

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

48779442 is a wasteful number, since it uses less digits than its factorization.

48779442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903334 (or 903328 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 48779442 is about 6984.2280890589. The cubic root of 48779442 is about 365.3807049219.

The spelling of 48779442 in words is "forty-eight million, seven hundred seventy-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 903323 1806646 2709969 5419938 8129907 16259814 24389721 48779442