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51934752 = 2532199491
BaseRepresentation
bin1100011000011…
…1011000100000
310121201120002100
43012013120200
5101243403002
65053050400
71200303162
oct306073040
9117646070
1051934752
1127352391
1215486a00
13a9b4c2c
146c7c932
15485d11c
hex3187620

51934752 has 72 divisors (see below), whose sum is σ = 155478960. Its totient is φ = 16398720.

The previous prime is 51934739. The next prime is 51934769. The reversal of 51934752 is 25743915.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727 + ... + 10217.

It is an arithmetic number, because the mean of its divisors is an integer number (2159430).

Almost surely, 251934752 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 51934752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77739480).

51934752 is an abundant number, since it is smaller than the sum of its proper divisors (103544208).

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

51934752 is a wasteful number, since it uses less digits than its factorization.

51934752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526 (or 9515 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 51934752 is about 7206.5769960502. The cubic root of 51934752 is about 373.0949356684.

The spelling of 51934752 in words is "fifty-one million, nine hundred thirty-four thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 9491 18982 28473 37964 56946 75928 85419 113892 151856 170838 180329 227784 303712 341676 360658 455568 540987 683352 721316 911136 1081974 1366704 1442632 1622961 2163948 2733408 2885264 3245922 4327896 5770528 6491844 8655792 12983688 17311584 25967376 51934752