Base | Representation |
---|---|
bin | 101111010001… |
… | …000011010010 |
3 | 212022111201111 |
4 | 233101003102 |
5 | 11132444420 |
6 | 1121323534 |
7 | 210214141 |
oct | 57210322 |
9 | 25274644 |
10 | 12390610 |
11 | 6aa3281 |
12 | 41965aa |
13 | 274aa2b |
14 | 1907758 |
15 | 114b45a |
hex | bd10d2 |
12390610 has 32 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 4725120.
The previous prime is 12390601. The next prime is 12390611. The reversal of 12390610 is 1609321.
It is not an unprimeable number, because it can be changed into a prime (12390611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18949 + ... + 19591.
It is an arithmetic number, because the mean of its divisors is an integer number (730296).
Almost surely, 212390610 is an apocalyptic number.
12390610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12390610 is a deficient number, since it is larger than the sum of its proper divisors (10978862).
12390610 is a wasteful number, since it uses less digits than its factorization.
12390610 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 738.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 12390610 is about 3520.0298294191. The cubic root of 12390610 is about 231.4004659913.
Adding to 12390610 its reverse (1609321), we get a palindrome (13999931).
The spelling of 12390610 in words is "twelve million, three hundred ninety thousand, six hundred ten".
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