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268513200 = 24325274587
BaseRepresentation
bin10000000000010…
…010111110110000
3200201020212212100
4100000102332300
51022214410300
642351100400
76440216214
oct2000227660
9621225770
10268513200
11128628a3a
1275b11700
1343825167
1427938944
151888e700
hex10012fb0

268513200 has 90 divisors (see below), whose sum is σ = 931827884. Its totient is φ = 71602560.

The previous prime is 268513177. The next prime is 268513207. The reversal of 268513200 is 2315862.

It is a tau number, because it is divible by the number of its divisors (90).

It is not an unprimeable number, because it can be changed into a prime (268513207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33694 + ... + 40893.

Almost surely, 2268513200 is an apocalyptic number.

268513200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268513200 is an abundant number, since it is smaller than the sum of its proper divisors (663314684).

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

268513200 is a wasteful number, since it uses less digits than its factorization.

268513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74611 (or 74597 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 268513200 is about 16386.3723868341. The cubic root of 268513200 is about 645.1418472958.

The spelling of 268513200 in words is "two hundred sixty-eight million, five hundred thirteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 74587 149174 223761 298348 372935 447522 596696 671283 745870 895044 1118805 1193392 1342566 1491740 1790088 1864675 2237610 2685132 2983480 3356415 3580176 3729350 4475220 5370264 5594025 5966960 6712830 7458700 8950440 10740528 11188050 13425660 14917400 16782075 17900880 22376100 26851320 29834800 33564150 44752200 53702640 67128300 89504400 134256600 268513200