Base | Representation |
---|---|
bin | 101110001000… |
… | …001101010000 |
3 | 211202100102202 |
4 | 232020031100 |
5 | 11043422430 |
6 | 1111102332 |
7 | 204532226 |
oct | 56101520 |
9 | 24670382 |
10 | 12092240 |
11 | 690a096 |
12 | 40719a8 |
13 | 2674c94 |
14 | 186ab16 |
15 | 10dcd45 |
hex | b88350 |
12092240 has 20 divisors (see below), whose sum is σ = 28114644. Its totient is φ = 4836864.
The previous prime is 12092239. The next prime is 12092279. The reversal of 12092240 is 4229021.
12092240 is nontrivially palindromic in base 11.
It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 5721664 = 2524^2 + 2392^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 75497 + ... + 75656.
Almost surely, 212092240 is an apocalyptic number.
12092240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12092240 is an abundant number, since it is smaller than the sum of its proper divisors (16022404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12092240 is a wasteful number, since it uses less digits than its factorization.
12092240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151166 (or 151160 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 12092240 is about 3477.3898257170. The cubic root of 12092240 is about 229.5279543446.
The spelling of 12092240 in words is "twelve million, ninety-two thousand, two hundred forty".
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