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51912048 = 2431081501
BaseRepresentation
bin1100011000000…
…1110101110000
310121200101221110
43012001311300
5101242141143
65052353320
71200150036
oct306016560
9117611843
1051912048
1127337321
1215475840
13a9a77b6
146c74556
154856533
hex3181d70

51912048 has 20 divisors (see below), whose sum is σ = 134106248. Its totient is φ = 17304000.

The previous prime is 51912019. The next prime is 51912053. The reversal of 51912048 is 84021915.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 540703 + ... + 540798.

Almost surely, 251912048 is an apocalyptic number.

It is an amenable number.

51912048 is an abundant number, since it is smaller than the sum of its proper divisors (82194200).

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

51912048 is a wasteful number, since it uses less digits than its factorization.

51912048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081512 (or 1081506 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 51912048 is about 7205.0015961136. The cubic root of 51912048 is about 373.0405598619.

The spelling of 51912048 in words is "fifty-one million, nine hundred twelve thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1081501 2163002 3244503 4326004 6489006 8652008 12978012 17304016 25956024 51912048