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268684200 = 233252149269
BaseRepresentation
bin10000000000111…
…100101110101000
3200201120120102200
4100000330232220
51022240343300
642354500200
76441530601
oct2000745650
9621516380
10268684200
11128735464
1275b94660
1343884c45
1427980da8
15188c5200
hex1003cba8

268684200 has 72 divisors (see below), whose sum is σ = 902337150. Its totient is φ = 71648640.

The previous prime is 268684181. The next prime is 268684249. The reversal of 268684200 is 2486862.

It can be written as a sum of positive squares in 3 ways, for example, as 207187236 + 61496964 = 14394^2 + 7842^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72835 + ... + 76434.

Almost surely, 2268684200 is an apocalyptic number.

268684200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268684200 is an abundant number, since it is smaller than the sum of its proper divisors (633652950).

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

268684200 is a wasteful number, since it uses less digits than its factorization.

268684200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149291 (or 149279 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 268684200 is about 16391.5893067146. The cubic root of 268684200 is about 645.2787689885.

The spelling of 268684200 in words is "two hundred sixty-eight million, six hundred eighty-four thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 149269 298538 447807 597076 746345 895614 1194152 1343421 1492690 1791228 2239035 2686842 2985380 3582456 3731725 4478070 5373684 5970760 6717105 7463450 8956140 10747368 11195175 13434210 14926900 17912280 22390350 26868420 29853800 33585525 44780700 53736840 67171050 89561400 134342100 268684200