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51163044 = 2234263587
BaseRepresentation
bin1100001100101…
…0111110100100
310120021100111120
43003022332210
5101044204134
65024333540
71160610252
oct303127644
9116240446
1051163044
1126975609
12151742b0
13a7a48ba
146b1b5d2
154759649
hex30cafa4

51163044 has 12 divisors (see below), whose sum is σ = 119380464. Its totient is φ = 17054344.

The previous prime is 51163043. The next prime is 51163117. The reversal of 51163044 is 44036115.

51163044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (51163043) 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, 2131782 + ... + 2131805.

It is an arithmetic number, because the mean of its divisors is an integer number (9948372).

Almost surely, 251163044 is an apocalyptic number.

It is an amenable number.

51163044 is an abundant number, since it is smaller than the sum of its proper divisors (68217420).

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

51163044 is a wasteful number, since it uses less digits than its factorization.

51163044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263594 (or 4263592 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51163044 is about 7152.8346828373. The cubic root of 51163044 is about 371.2377442700.

Adding to 51163044 its reverse (44036115), we get a palindrome (95199159).

The spelling of 51163044 in words is "fifty-one million, one hundred sixty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 4263587 8527174 12790761 17054348 25581522 51163044