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56451600 = 2433525227
BaseRepresentation
bin1101011101011…
…0001000010000
310221020001001000
43113112020100
5103422422400
65333542000
71253554632
oct327261020
9127201030
1056451600
1129957a17
1216aa4900
13b906b1a
1476d6a52
154e51600
hex35d6210

56451600 has 120 divisors (see below), whose sum is σ = 200964320. Its totient is φ = 15050880.

The previous prime is 56451569. The next prime is 56451623. The reversal of 56451600 is 615465.

It is a happy number.

56451600 is a `hidden beast` number, since 5 + 6 + 4 + 51 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 8187 + ... + 13413.

Almost surely, 256451600 is an apocalyptic number.

56451600 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 56451600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100482160).

56451600 is an abundant number, since it is smaller than the sum of its proper divisors (144512720).

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

56451600 is a wasteful number, since it uses less digits than its factorization.

56451600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56451600 is about 7513.4279792915. The cubic root of 56451600 is about 383.6119126013.

The spelling of 56451600 in words is "fifty-six million, four hundred fifty-one thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1350 1800 2160 2700 3600 5227 5400 10454 10800 15681 20908 26135 31362 41816 47043 52270 62724 78405 83632 94086 104540 125448 130675 141129 156810 188172 209080 235215 250896 261350 282258 313620 376344 392025 418160 470430 522700 564516 627240 705645 752688 784050 940860 1045400 1129032 1176075 1254480 1411290 1568100 1881720 2090800 2258064 2352150 2822580 3136200 3528225 3763440 4704300 5645160 6272400 7056450 9408600 11290320 14112900 18817200 28225800 56451600