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57660200 = 23521367331
BaseRepresentation
bin1101101111110…
…1001100101000
311000111102220222
43123331030220
5104230111300
65415505212
71300050353
oct333751450
9130442828
1057660200
112a602a64
1217388208
13bc3ac80
14792d29a
1550de785
hex36fd328

57660200 has 96 divisors (see below), whose sum is σ = 146969760. Its totient is φ = 20908800.

The previous prime is 57660199. The next prime is 57660221. The reversal of 57660200 is 206675.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 57660200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174035 + ... + 174365.

It is an arithmetic number, because the mean of its divisors is an integer number (1530935).

Almost surely, 257660200 is an apocalyptic number.

57660200 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 57660200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73484880).

57660200 is an abundant number, since it is smaller than the sum of its proper divisors (89309560).

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

57660200 is a wasteful number, since it uses less digits than its factorization.

57660200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57660200 is about 7593.4313719161. The cubic root of 57660200 is about 386.3302497312.

Adding to 57660200 its reverse (206675), we get a palindrome (57866875).

The spelling of 57660200 in words is "fifty-seven million, six hundred sixty thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 67 100 104 130 134 200 260 268 325 331 335 520 536 650 662 670 871 1300 1324 1340 1655 1675 1742 2600 2648 2680 3310 3350 3484 4303 4355 6620 6700 6968 8275 8606 8710 13240 13400 16550 17212 17420 21515 21775 22177 33100 34424 34840 43030 43550 44354 66200 86060 87100 88708 107575 110885 172120 174200 177416 215150 221770 288301 430300 443540 554425 576602 860600 887080 1108850 1153204 1441505 2217700 2306408 2883010 4435400 5766020 7207525 11532040 14415050 28830100 57660200