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12863800 = 235264319
BaseRepresentation
bin110001000100…
…100100111000
3220012112211001
4301010210320
511243120200
61135414344
7214224535
oct61044470
926175731
1012863800
117296844
1243843b4
132885221
1419cbd8c
1511e176a
hexc44938

12863800 has 24 divisors (see below), whose sum is σ = 29908800. Its totient is φ = 5145440.

The previous prime is 12863777. The next prime is 12863801. The reversal of 12863800 is 836821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31960 + ... + 32359.

It is an arithmetic number, because the mean of its divisors is an integer number (1246200).

Almost surely, 212863800 is an apocalyptic number.

12863800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12863800 is an abundant number, since it is smaller than the sum of its proper divisors (17045000).

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

12863800 is a wasteful number, since it uses less digits than its factorization.

12863800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64335 (or 64326 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12863800 is about 3586.6140020917. The cubic root of 12863800 is about 234.3094258033.

The spelling of 12863800 in words is "twelve million, eight hundred sixty-three thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 64319 128638 257276 321595 514552 643190 1286380 1607975 2572760 3215950 6431900 12863800