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56117200 = 2452239587
BaseRepresentation
bin1101011000010…
…0011111010000
310220121001022211
43112010133100
5103331222300
65322441504
71250662666
oct326043720
9126531284
1056117200
1129749757
1216963294
13b81a859
14764ac36
154dd74ba
hex35847d0

56117200 has 60 divisors (see below), whose sum is σ = 135616320. Its totient is φ = 22314880.

The previous prime is 56117189. The next prime is 56117209. The reversal of 56117200 is 271165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56117209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95307 + ... + 95893.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 256117200 is an apocalyptic number.

56117200 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 56117200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67808160).

56117200 is an abundant number, since it is smaller than the sum of its proper divisors (79499120).

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

56117200 is a wasteful number, since it uses less digits than its factorization.

56117200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 56117200 is about 7491.1414350551. The cubic root of 56117200 is about 382.8529500225.

Adding to 56117200 its reverse (271165), we get a palindrome (56388365).

The spelling of 56117200 in words is "fifty-six million, one hundred seventeen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 239 400 478 587 956 1174 1195 1912 2348 2390 2935 3824 4696 4780 5870 5975 9392 9560 11740 11950 14675 19120 23480 23900 29350 46960 47800 58700 95600 117400 140293 234800 280586 561172 701465 1122344 1402930 2244688 2805860 3507325 5611720 7014650 11223440 14029300 28058600 56117200