Base | Representation |
---|---|
bin | 101010110110… |
… | …1100100100001 |
3 | 1120021112112101 |
4 | 1111231210201 |
5 | 21223001042 |
6 | 2121330401 |
7 | 361660663 |
oct | 125554441 |
9 | 46245471 |
10 | 22468897 |
11 | 11757240 |
12 | 7636a01 |
13 | 4869109 |
14 | 2dac533 |
15 | 1e8c6b7 |
hex | 156d921 |
22468897 has 4 divisors (see below), whose sum is σ = 24511536. Its totient is φ = 20426260.
The previous prime is 22468877. The next prime is 22468909. The reversal of 22468897 is 79886422.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22468897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22468837) 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, 1021303 + ... + 1021324.
It is an arithmetic number, because the mean of its divisors is an integer number (6127884).
Almost surely, 222468897 is an apocalyptic number.
It is an amenable number.
22468897 is a deficient number, since it is larger than the sum of its proper divisors (2042639).
22468897 is a wasteful number, since it uses less digits than its factorization.
22468897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2042638.
The product of its digits is 387072, while the sum is 46.
The square root of 22468897 is about 4740.1368123716. The cubic root of 22468897 is about 282.1806640389.
It can be divided in two parts, 224688 and 97, that added together give a triangular number (224785 = T670).
The spelling of 22468897 in words is "twenty-two million, four hundred sixty-eight thousand, eight hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •