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51296000 = 28537229
BaseRepresentation
bin1100001110101…
…1011100000000
310120112002212212
43003223130000
5101112433000
65031241252
71162003010
oct303533400
9116462785
1051296000
1126a56498
1215219228
13a820282
146b53c40
154783c35
hex30eb700

51296000 has 144 divisors (see below), whose sum is σ = 146677440. Its totient is φ = 17510400.

The previous prime is 51295967. The next prime is 51296017. The reversal of 51296000 is 69215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223886 + ... + 224114.

Almost surely, 251296000 is an apocalyptic number.

51296000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51296000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73338720).

51296000 is an abundant number, since it is smaller than the sum of its proper divisors (95381440).

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

51296000 is an equidigital number, since it uses as much as digits as its factorization.

51296000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51296000 is about 7162.1225904057. The cubic root of 51296000 is about 371.5590412320.

The spelling of 51296000 in words is "fifty-one million, two hundred ninety-six thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 229 250 256 280 320 350 400 448 458 500 560 640 700 800 875 896 916 1000 1120 1145 1280 1400 1600 1603 1750 1792 1832 2000 2240 2290 2800 3200 3206 3500 3664 4000 4480 4580 5600 5725 6400 6412 7000 7328 8000 8015 8960 9160 11200 11450 12824 14000 14656 16000 16030 18320 22400 22900 25648 28000 28625 29312 32000 32060 36640 40075 44800 45800 51296 56000 57250 58624 64120 73280 80150 91600 102592 112000 114500 128240 146560 160300 183200 200375 205184 224000 229000 256480 293120 320600 366400 400750 410368 458000 512960 641200 732800 801500 916000 1025920 1282400 1465600 1603000 1832000 2051840 2564800 3206000 3664000 5129600 6412000 7328000 10259200 12824000 25648000 51296000