Base | Representation |
---|---|
bin | 101010010110… |
… | …1101001001110 |
3 | 1112210020100111 |
4 | 1110231221032 |
5 | 21141111204 |
6 | 2111550234 |
7 | 356520412 |
oct | 124555116 |
9 | 45706314 |
10 | 22207054 |
11 | 11598541 |
12 | 752b37a |
13 | 47a6b8c |
14 | 2d40d42 |
15 | 1e39d04 |
hex | 152da4e |
22207054 has 4 divisors (see below), whose sum is σ = 33310584. Its totient is φ = 11103526.
The previous prime is 22207051. The next prime is 22207061. The reversal of 22207054 is 45070222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45070222 = 2 ⋅22535111.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22207051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551762 + ... + 5551765.
It is an arithmetic number, because the mean of its divisors is an integer number (8327646).
Almost surely, 222207054 is an apocalyptic number.
22207054 is a deficient number, since it is larger than the sum of its proper divisors (11103530).
22207054 is a wasteful number, since it uses less digits than its factorization.
22207054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11103529.
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 22207054 is about 4712.4361003625. The cubic root of 22207054 is about 281.0802403373.
Adding to 22207054 its reverse (45070222), we get a palindrome (67277276).
The spelling of 22207054 in words is "twenty-two million, two hundred seven thousand, fifty-four".
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