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57200 = 24521113
BaseRepresentation
bin1101111101110000
32220110112
431331300
53312300
61120452
7325523
oct157560
986415
1057200
1139a80
1229128
1320060
1416bba
1511e35
hexdf70

57200 has 60 divisors (see below), whose sum is σ = 161448. Its totient is φ = 19200.

The previous prime is 57193. The next prime is 57203. The reversal of 57200 is 275.

57200 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57203) 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, 4394 + ... + 4406.

257200 is an apocalyptic number.

57200 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 57200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80724).

57200 is an abundant number, since it is smaller than the sum of its proper divisors (104248).

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

57200 is a wasteful number, since it uses less digits than its factorization.

57200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 57200 is about 239.1652148620. The cubic root of 57200 is about 38.5299704790.

Adding to 57200 its reverse (275), we get a palindrome (57475).

The spelling of 57200 in words is "fifty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 25 26 40 44 50 52 55 65 80 88 100 104 110 130 143 176 200 208 220 260 275 286 325 400 440 520 550 572 650 715 880 1040 1100 1144 1300 1430 2200 2288 2600 2860 3575 4400 5200 5720 7150 11440 14300 28600 57200