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57004200 = 233252112879
BaseRepresentation
bin1101100101110…
…1000010101000
310222021010001200
43121131002220
5104043113300
65353444200
71261346001
oct331350250
9128233050
1057004200
112a1a5110
1217110660
13ba6b4c6
1477dc1a8
155010200
hex365d0a8

57004200 has 144 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 13814400.

The previous prime is 57004187. The next prime is 57004201. The reversal of 57004200 is 240075.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (57004201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18361 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (1450800).

Almost surely, 257004200 is an apocalyptic number.

57004200 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 57004200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

57004200 is an abundant number, since it is smaller than the sum of its proper divisors (151911000).

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

57004200 is a wasteful number, since it uses less digits than its factorization.

57004200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 57004200 is about 7550.1125819421. The cubic root of 57004200 is about 384.8595653544.

Adding to 57004200 its reverse (240075), we get a palindrome (57244275).

The spelling of 57004200 in words is "fifty-seven million, four thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 25 30 33 36 40 44 45 50 55 60 66 72 75 88 90 99 100 110 120 132 150 165 180 198 200 220 225 264 275 300 330 360 396 440 450 495 550 600 660 792 825 900 990 1100 1320 1650 1800 1980 2200 2475 2879 3300 3960 4950 5758 6600 8637 9900 11516 14395 17274 19800 23032 25911 28790 31669 34548 43185 51822 57580 63338 69096 71975 86370 95007 103644 115160 126676 129555 143950 158345 172740 190014 207288 215925 253352 259110 285021 287900 316690 345480 380028 431850 475035 518220 570042 575800 633380 647775 760056 791725 863700 950070 1036440 1140084 1266760 1295550 1425105 1583450 1727400 1900140 2280168 2375175 2591100 2850210 3166900 3800280 4750350 5182200 5700420 6333800 7125525 9500700 11400840 14251050 19001400 28502100 57004200