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52485800 = 23521743359
BaseRepresentation
bin1100100000110…
…1111010101000
310122202112222112
43020031322220
5101414021200
65112541452
71205056553
oct310157250
9118675875
1052485800
11276993a4
12156b1888
13ab489b3
146d8369a
15491b535
hex320dea8

52485800 has 96 divisors (see below), whose sum is σ = 132580800. Its totient is φ = 19246080.

The previous prime is 52485799. The next prime is 52485833. The reversal of 52485800 is 858425.

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, 146021 + ... + 146379.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 252485800 is an apocalyptic number.

52485800 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 52485800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66290400).

52485800 is an abundant number, since it is smaller than the sum of its proper divisors (80095000).

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

52485800 is a wasteful number, since it uses less digits than its factorization.

52485800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 52485800 is about 7244.7084137321. The cubic root of 52485800 is about 374.4098569555.

The spelling of 52485800 in words is "fifty-two million, four hundred eighty-five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 43 50 68 85 86 100 136 170 172 200 215 340 344 359 425 430 680 718 731 850 860 1075 1436 1462 1700 1720 1795 2150 2872 2924 3400 3590 3655 4300 5848 6103 7180 7310 8600 8975 12206 14360 14620 15437 17950 18275 24412 29240 30515 30874 35900 36550 48824 61030 61748 71800 73100 77185 122060 123496 146200 152575 154370 244120 262429 305150 308740 385925 524858 610300 617480 771850 1049716 1220600 1312145 1543700 2099432 2624290 3087400 5248580 6560725 10497160 13121450 26242900 52485800