Base | Representation |
---|---|
bin | 101010001010… |
… | …1010100001010 |
3 | 1112121011122200 |
4 | 1110111110022 |
5 | 21124414102 |
6 | 2105501030 |
7 | 355624032 |
oct | 124252412 |
9 | 45534580 |
10 | 22107402 |
11 | 1152a689 |
12 | 74a1776 |
13 | 4770705 |
14 | 2d168c2 |
15 | 1e1a51c |
hex | 151550a |
22107402 has 24 divisors (see below), whose sum is σ = 49445760. Its totient is φ = 7131240.
The previous prime is 22107401. The next prime is 22107403. The reversal of 22107402 is 20470122.
It is an interprime number because it is at equal distance from previous prime (22107401) and next prime (22107403).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (22107401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19252 + ... + 20367.
It is an arithmetic number, because the mean of its divisors is an integer number (2060240).
Almost surely, 222107402 is an apocalyptic number.
22107402 is an abundant number, since it is smaller than the sum of its proper divisors (27338358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22107402 is a wasteful number, since it uses less digits than its factorization.
22107402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39658 (or 39655 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 22107402 is about 4701.8509121409. The cubic root of 22107402 is about 280.6591697686.
Adding to 22107402 its reverse (20470122), we get a palindrome (42577524).
The spelling of 22107402 in words is "twenty-two million, one hundred seven thousand, four hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •