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51992304 = 24371311903
BaseRepresentation
bin1100011001010…
…1011011110000
310121211111000220
43012111123300
5101302223204
65054213040
71200633030
oct306253360
9117744026
1051992304
1127391651
12154b4180
13aa051a0
146c958c0
1548701d9
hex31956f0

51992304 has 80 divisors (see below), whose sum is σ = 165322752. Its totient is φ = 13711104.

The previous prime is 51992267. The next prime is 51992323. The reversal of 51992304 is 40329915.

51992304 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1584 + ... + 10319.

Almost surely, 251992304 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 51992304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82661376).

51992304 is an abundant number, since it is smaller than the sum of its proper divisors (113330448).

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

51992304 is a wasteful number, since it uses less digits than its factorization.

51992304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934 (or 11928 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 51992304 is about 7210.5689095937. The cubic root of 51992304 is about 373.2327010515.

It can be divided in two parts, 5199 and 2304, that added together give a triangular number (7503 = T122).

The spelling of 51992304 in words is "fifty-one million, nine hundred ninety-two thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 11903 23806 35709 47612 71418 83321 95224 142836 154739 166642 190448 249963 285672 309478 333284 464217 499926 571344 618956 666568 928434 999852 1083173 1237912 1333136 1856868 1999704 2166346 2475824 3249519 3713736 3999408 4332692 6499038 7427472 8665384 12998076 17330768 25996152 51992304