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268404800 = 2652227739
BaseRepresentation
bin11111111111110…
…00100001000000
3200201001101011112
433333320201000
51022202423200
642344502452
76436255166
oct1777704100
9621041145
10268404800
11128564554
1275a7aa28
13437b7a11
142790b236
151886c535
hexfff8840

268404800 has 84 divisors (see below), whose sum is σ = 664250640. Its totient is φ = 106744320.

The previous prime is 268404767. The next prime is 268404853. The reversal of 268404800 is 8404862.

It is a super-2 number, since 2×2684048002 = 144082273326080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362831 + ... + 363569.

Almost surely, 2268404800 is an apocalyptic number.

268404800 is a gapful number since it is divisible by the number (20) 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 268404800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332125320).

268404800 is an abundant number, since it is smaller than the sum of its proper divisors (395845840).

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

268404800 is a wasteful number, since it uses less digits than its factorization.

268404800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 268404800 is about 16383.0644264130. The cubic root of 268404800 is about 645.0550200446.

The spelling of 268404800 in words is "two hundred sixty-eight million, four hundred four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 227 320 400 454 739 800 908 1135 1478 1600 1816 2270 2956 3632 3695 4540 5675 5912 7264 7390 9080 11350 11824 14528 14780 18160 18475 22700 23648 29560 36320 36950 45400 47296 59120 72640 73900 90800 118240 147800 167753 181600 236480 295600 335506 363200 591200 671012 838765 1182400 1342024 1677530 2684048 3355060 4193825 5368096 6710120 8387650 10736192 13420240 16775300 26840480 33550600 53680960 67101200 134202400 268404800