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51792768 = 273244959
BaseRepresentation
bin1100010110010…
…0101110000000
310121110100022200
43011210232000
5101224332033
65050033200
71166142216
oct305445600
9117410280
1051792768
1127265745
1215418800
13a965411
146c42cb6
154831013
hex3164b80

51792768 has 48 divisors (see below), whose sum is σ = 149042400. Its totient is φ = 17263872.

The previous prime is 51792751. The next prime is 51792773. The reversal of 51792768 is 86729715.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21328 + ... + 23631.

It is an arithmetic number, because the mean of its divisors is an integer number (3105050).

Almost surely, 251792768 is an apocalyptic number.

It is an amenable number.

51792768 is an abundant number, since it is smaller than the sum of its proper divisors (97249632).

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

51792768 is a wasteful number, since it uses less digits than its factorization.

51792768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44979 (or 44964 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 51792768 is about 7196.7192525483. The cubic root of 51792768 is about 372.7546249428.

The spelling of 51792768 in words is "fifty-one million, seven hundred ninety-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 44959 89918 134877 179836 269754 359672 404631 539508 719344 809262 1079016 1438688 1618524 2158032 2877376 3237048 4316064 5754752 6474096 8632128 12948192 17264256 25896384 51792768