Search a number
-
+
12093280 = 25575583
BaseRepresentation
bin101110001000…
…011101100000
3211202101212021
4232020131200
511043441110
61111111224
7204535243
oct56103540
924671767
1012093280
11690a951
124072514
1326755b4
14186b25a
1510dd2da
hexb88760

12093280 has 24 divisors (see below), whose sum is σ = 28570752. Its totient is φ = 4837248.

The previous prime is 12093271. The next prime is 12093293. The reversal of 12093280 is 8239021.

It is a plaindrome in base 6.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37632 + ... + 37951.

It is an arithmetic number, because the mean of its divisors is an integer number (1190448).

Almost surely, 212093280 is an apocalyptic number.

12093280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12093280 is an abundant number, since it is smaller than the sum of its proper divisors (16477472).

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

12093280 is an equidigital number, since it uses as much as digits as its factorization.

12093280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75598 (or 75590 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12093280 is about 3477.5393599498. The cubic root of 12093280 is about 229.5345343835.

It can be divided in two parts, 1209 and 3280, that added together give a square (4489 = 672).

The spelling of 12093280 in words is "twelve million, ninety-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 75583 151166 302332 377915 604664 755830 1209328 1511660 2418656 3023320 6046640 12093280