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12093290 = 25111729223
BaseRepresentation
bin101110001000…
…011101101010
3211202101212122
4232020131222
511043441130
61111111242
7204535256
oct56103552
924671778
1012093290
11690a960
124072522
1326755c1
14186b266
1510dd2e5
hexb8876a

12093290 has 64 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 3978240.

The previous prime is 12093271. The next prime is 12093293. The reversal of 12093290 is 9239021.

12093290 = T78 + T79 + ... + T417.

12093290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12093293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54119 + ... + 54341.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 212093290 is an apocalyptic number.

12093290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12093290 is an abundant number, since it is smaller than the sum of its proper divisors (14034070).

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

12093290 is a wasteful number, since it uses less digits than its factorization.

12093290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 12093290 is about 3477.5407977477. The cubic root of 12093290 is about 229.5345976513.

It can be divided in two parts, 1209 and 3290, that multiplied together give a triangular number (3977610 = T2820).

The spelling of 12093290 in words is "twelve million, ninety-three thousand, two hundred ninety".

Divisors: 1 2 5 10 11 17 22 29 34 55 58 85 110 145 170 187 223 290 319 374 446 493 638 935 986 1115 1595 1870 2230 2453 2465 3190 3791 4906 4930 5423 6467 7582 10846 12265 12934 18955 24530 27115 32335 37910 41701 54230 64670 71137 83402 109939 142274 208505 219878 355685 417010 549695 711370 1099390 1209329 2418658 6046645 12093290