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51142360 = 23510112659
BaseRepresentation
bin1100001100010…
…1111011011000
310120020022010111
43003011323120
5101043023420
65024054104
71160463043
oct303057330
9116208114
1051142360
1126961015
1215164334
13a798369
146b13c5a
15475345a
hex30c5ed8

51142360 has 32 divisors (see below), whose sum is σ = 116218800. Its totient is φ = 20252800.

The previous prime is 51142303. The next prime is 51142361. The reversal of 51142360 is 6324115.

51142360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51142361) 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 7 ways as a sum of consecutive naturals, for example, 2290 + ... + 10369.

Almost surely, 251142360 is an apocalyptic number.

It is an amenable number.

51142360 is an abundant number, since it is smaller than the sum of its proper divisors (65076440).

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

51142360 is a wasteful number, since it uses less digits than its factorization.

51142360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51142360 is about 7151.3886763341. The cubic root of 51142360 is about 371.1877100011.

Adding to 51142360 its reverse (6324115), we get a palindrome (57466475).

The spelling of 51142360 in words is "fifty-one million, one hundred forty-two thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 12659 25318 50636 63295 101272 126590 253180 506360 1278559 2557118 5114236 6392795 10228472 12785590 25571180 51142360