Base | Representation |
---|---|
bin | 101110110001… |
… | …000110011100 |
3 | 212001212012110 |
4 | 232301012130 |
5 | 11114302430 |
6 | 1114434020 |
7 | 206130453 |
oct | 56610634 |
9 | 25055173 |
10 | 12259740 |
11 | 6a13a19 |
12 | 4132910 |
13 | 27032ac |
14 | 18b1b9a |
15 | 11227b0 |
hex | bb119c |
12259740 has 24 divisors (see below), whose sum is σ = 34327440. Its totient is φ = 3269248.
The previous prime is 12259729. The next prime is 12259747. The reversal of 12259740 is 4795221.
12259740 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 12259698 and 12259707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12259747) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102105 + ... + 102224.
It is an arithmetic number, because the mean of its divisors is an integer number (1430310).
Almost surely, 212259740 is an apocalyptic number.
12259740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12259740 is an abundant number, since it is smaller than the sum of its proper divisors (22067700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12259740 is a wasteful number, since it uses less digits than its factorization.
12259740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204341 (or 204339 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 12259740 is about 3501.3911520994. The cubic root of 12259740 is about 230.5828945393.
The spelling of 12259740 in words is "twelve million, two hundred fifty-nine thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •