Base | Representation |
---|---|
bin | 101100000100… |
… | …1010110000011 |
3 | 1121110221202212 |
4 | 1120021112003 |
5 | 21403410242 |
6 | 2143132335 |
7 | 400256123 |
oct | 130112603 |
9 | 47427685 |
10 | 23106947 |
11 | 12052656 |
12 | 78a40ab |
13 | 4a30666 |
14 | 30d6c83 |
15 | 2066782 |
hex | 1609583 |
23106947 has 4 divisors (see below), whose sum is σ = 23399520. Its totient is φ = 22814376.
The previous prime is 23106913. The next prime is 23106949. The reversal of 23106947 is 74960132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23106947 - 26 = 23106883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23106949) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146168 + ... + 146325.
It is an arithmetic number, because the mean of its divisors is an integer number (5849880).
Almost surely, 223106947 is an apocalyptic number.
23106947 is a deficient number, since it is larger than the sum of its proper divisors (292573).
23106947 is an equidigital number, since it uses as much as digits as its factorization.
23106947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292572.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 23106947 is about 4806.9685873740. The cubic root of 23106947 is about 284.8268035611.
The spelling of 23106947 in words is "twenty-three million, one hundred six thousand, nine hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •