Base | Representation |
---|---|
bin | 101111010111… |
… | …000001110010 |
3 | 212100202022011 |
4 | 233113001302 |
5 | 11134240330 |
6 | 1122033134 |
7 | 210345412 |
oct | 57270162 |
9 | 25322264 |
10 | 12415090 |
11 | 700a706 |
12 | 41a87aa |
13 | 2758c0c |
14 | 1912642 |
15 | 115382a |
hex | bd7072 |
12415090 has 8 divisors (see below), whose sum is σ = 22347180. Its totient is φ = 4966032.
The previous prime is 12415043. The next prime is 12415093. The reversal of 12415090 is 9051421.
It can be written as a sum of positive squares in 2 ways, for example, as 11744329 + 670761 = 3427^2 + 819^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12415093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620745 + ... + 620764.
Almost surely, 212415090 is an apocalyptic number.
12415090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12415090 is a deficient number, since it is larger than the sum of its proper divisors (9932090).
12415090 is a wasteful number, since it uses less digits than its factorization.
12415090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1241516.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 12415090 is about 3523.5053568854. The cubic root of 12415090 is about 231.5527575773.
The spelling of 12415090 in words is "twelve million, four hundred fifteen thousand, ninety".
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