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51314144 = 257229081
BaseRepresentation
bin1100001110111…
…1110111100000
310120120000202212
43003233313200
5101114023034
65031501252
71162106630
oct303576740
9116500685
1051314144
1126a69092
1215227828
13a8285cb
146b5a6c0
1547892ce
hex30efde0

51314144 has 24 divisors (see below), whose sum is σ = 115457328. Its totient is φ = 21991680.

The previous prime is 51314119. The next prime is 51314149. The reversal of 51314144 is 44141315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51314149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114317 + ... + 114764.

It is an arithmetic number, because the mean of its divisors is an integer number (4810722).

Almost surely, 251314144 is an apocalyptic number.

It is an amenable number.

51314144 is an abundant number, since it is smaller than the sum of its proper divisors (64143184).

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

51314144 is a wasteful number, since it uses less digits than its factorization.

51314144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229098 (or 229090 counting only the distinct ones).

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

The square root of 51314144 is about 7163.3891420193. The cubic root of 51314144 is about 371.6028443390.

Adding to 51314144 its reverse (44141315), we get a palindrome (95455459).

The spelling of 51314144 in words is "fifty-one million, three hundred fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 229081 458162 916324 1603567 1832648 3207134 3665296 6414268 7330592 12828536 25657072 51314144