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56001600 = 2632523889
BaseRepresentation
bin1101010110100…
…0010001000000
310220101011202100
43111220101000
5103314022400
65320150400
71250001654
oct325502100
9126334670
1056001600
112967a916
1216908400
13b7aa055
14761aa64
154db3100
hex3568440

56001600 has 126 divisors (see below), whose sum is σ = 199094090. Its totient is φ = 14929920.

The previous prime is 56001577. The next prime is 56001601. The reversal of 56001600 is 610065.

56001600 is a `hidden beast` number, since 5 + 60 + 0 + 1 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7225344 + 48776256 = 2688^2 + 6984^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (56001601) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12456 + ... + 16344.

Almost surely, 256001600 is an apocalyptic number.

56001600 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 56001600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99547045).

56001600 is an abundant number, since it is smaller than the sum of its proper divisors (143092490).

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

56001600 is a wasteful number, since it uses less digits than its factorization.

56001600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56001600 is about 7483.4216772811. The cubic root of 56001600 is about 382.5898801982.

Adding to 56001600 its reverse (610065), we get a palindrome (56611665).

The spelling of 56001600 in words is "fifty-six million, one thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1200 1440 1600 1800 2400 2880 3600 3889 4800 7200 7778 11667 14400 15556 19445 23334 31112 35001 38890 46668 58335 62224 70002 77780 93336 97225 116670 124448 140004 155560 175005 186672 194450 233340 248896 280008 291675 311120 350010 373344 388900 466680 560016 583350 622240 700020 746688 777800 875025 933360 1120032 1166700 1244480 1400040 1555600 1750050 1866720 2240064 2333400 2800080 3111200 3500100 3733440 4666800 5600160 6222400 7000200 9333600 11200320 14000400 18667200 28000800 56001600