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51064412 = 2271823729
BaseRepresentation
bin1100001011001…
…0111001011100
310120002100012112
43002302321130
5101033030122
65022253152
71160016560
oct302627134
9116070175
1051064412
11269084a3
12151271b8
13a76ba39
146ad36a0
15473a2e2
hex30b2e5c

51064412 has 12 divisors (see below), whose sum is σ = 102128880. Its totient is φ = 21884736.

The previous prime is 51064411. The next prime is 51064417. The reversal of 51064412 is 21446015.

51064412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51064412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064411) 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, 911837 + ... + 911892.

It is an arithmetic number, because the mean of its divisors is an integer number (8510740).

Almost surely, 251064412 is an apocalyptic number.

It is an amenable number.

51064412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51064412 is a wasteful number, since it uses less digits than its factorization.

51064412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823740 (or 1823738 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51064412 is about 7145.9367475510. The cubic root of 51064412 is about 370.9990337156. Note that the first 3 decimals are identical.

The spelling of 51064412 in words is "fifty-one million, sixty-four thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 1823729 3647458 7294916 12766103 25532206 51064412