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56231600 = 2452257547
BaseRepresentation
bin1101011010000…
…0011010110000
310220210212020212
43112200122300
5103343402400
65325123252
71251650345
oct326403260
9126725225
1056231600
11298176a7
12169b9528
13b85a949
14767a7cc
154e0b335
hex35a06b0

56231600 has 60 divisors (see below), whose sum is σ = 135870024. Its totient is φ = 22364160.

The previous prime is 56231561. The next prime is 56231611. The reversal of 56231600 is 613265.

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 11 ways as a sum of consecutive naturals, for example, 102527 + ... + 103073.

Almost surely, 256231600 is an apocalyptic number.

56231600 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 56231600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67935012).

56231600 is an abundant number, since it is smaller than the sum of its proper divisors (79638424).

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

56231600 is a wasteful number, since it uses less digits than its factorization.

56231600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 56231600 is about 7498.7732330028. The cubic root of 56231600 is about 383.1129335856.

Adding to 56231600 its reverse (613265), we get a palindrome (56844865).

The spelling of 56231600 in words is "fifty-six million, two hundred thirty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 257 400 514 547 1028 1094 1285 2056 2188 2570 2735 4112 4376 5140 5470 6425 8752 10280 10940 12850 13675 20560 21880 25700 27350 43760 51400 54700 102800 109400 140579 218800 281158 562316 702895 1124632 1405790 2249264 2811580 3514475 5623160 7028950 11246320 14057900 28115800 56231600