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51088544 = 2513127967
BaseRepresentation
bin1100001011100…
…0110010100000
310120010120022022
43002320302200
5101034313134
65023001012
71160150123
oct302706240
9116116268
1051088544
1126924641
1215139168
13a779a10
146adc3ba
15474252e
hex30b8ca0

51088544 has 48 divisors (see below), whose sum is σ = 109283328. Its totient is φ = 23369472.

The previous prime is 51088529. The next prime is 51088571. The reversal of 51088544 is 44588015.

It is a super-2 number, since 2×510885442 = 5220078656079872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52349 + ... + 53315.

It is an arithmetic number, because the mean of its divisors is an integer number (2276736).

Almost surely, 251088544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51088544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54641664).

51088544 is an abundant number, since it is smaller than the sum of its proper divisors (58194784).

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

51088544 is a wasteful number, since it uses less digits than its factorization.

51088544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 51088544 is about 7147.6250601161. The cubic root of 51088544 is about 371.0574667050.

The spelling of 51088544 in words is "fifty-one million, eighty-eight thousand, five hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 127 208 254 416 508 967 1016 1651 1934 2032 3302 3868 4064 6604 7736 12571 13208 15472 25142 26416 30944 50284 52832 100568 122809 201136 245618 402272 491236 982472 1596517 1964944 3193034 3929888 6386068 12772136 25544272 51088544