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11428800 = 263522381
BaseRepresentation
bin101011100110…
…001111000000
3210111122100220
4223212033000
510411210200
61044543040
7166100055
oct53461700
923448326
1011428800
1164a6699
1239b1a80
1324a2006
14173702c
15100b4a0
hexae63c0

11428800 has 84 divisors (see below), whose sum is σ = 37511736. Its totient is φ = 3046400.

The previous prime is 11428789. The next prime is 11428817. The reversal of 11428800 is 882411.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3610 + ... + 5990.

Almost surely, 211428800 is an apocalyptic number.

11428800 is a gapful number since it is divisible by the number (10) 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 11428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18755868).

11428800 is an abundant number, since it is smaller than the sum of its proper divisors (26082936).

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

11428800 is a wasteful number, since it uses less digits than its factorization.

11428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 11428800 is about 3380.6508249152. The cubic root of 11428800 is about 225.2510777426.

The spelling of 11428800 in words is "eleven million, four hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 150 160 192 200 240 300 320 400 480 600 800 960 1200 1600 2381 2400 4762 4800 7143 9524 11905 14286 19048 23810 28572 35715 38096 47620 57144 59525 71430 76192 95240 114288 119050 142860 152384 178575 190480 228576 238100 285720 357150 380960 457152 476200 571440 714300 761920 952400 1142880 1428600 1904800 2285760 2857200 3809600 5714400 11428800