Base | Representation |
---|---|
bin | 101010010010… |
… | …0100111010101 |
3 | 1112201100121200 |
4 | 1110210213111 |
5 | 21133420234 |
6 | 2111103113 |
7 | 356304525 |
oct | 124444725 |
9 | 45640550 |
10 | 22170069 |
11 | 11572779 |
12 | 7511a99 |
13 | 47930ac |
14 | 2d31685 |
15 | 1e2dd99 |
hex | 15249d5 |
22170069 has 12 divisors (see below), whose sum is σ = 32768736. Its totient is φ = 14436072.
The previous prime is 22170061. The next prime is 22170073. The reversal of 22170069 is 96007122.
It is not a de Polignac number, because 22170069 - 23 = 22170061 is a prime.
It is a super-2 number, since 2×221700692 = 983023918929522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22170061) 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, 28257 + ... + 29030.
It is an arithmetic number, because the mean of its divisors is an integer number (2730728).
Almost surely, 222170069 is an apocalyptic number.
It is an amenable number.
22170069 is a deficient number, since it is larger than the sum of its proper divisors (10598667).
22170069 is a wasteful number, since it uses less digits than its factorization.
22170069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57336 (or 57333 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 22170069 is about 4708.5102739614. The cubic root of 22170069 is about 280.9241108288.
The spelling of 22170069 in words is "twenty-two million, one hundred seventy thousand, sixty-nine".
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