Base | Representation |
---|---|
bin | 1000011000011011101000 |
3 | 11010122000200 |
4 | 20120123220 |
5 | 1030302344 |
6 | 115032200 |
7 | 24450621 |
oct | 10303350 |
9 | 4118020 |
10 | 2197224 |
11 | 1270897 |
12 | 89b660 |
13 | 5bc143 |
14 | 412a48 |
15 | 2d6069 |
hex | 2186e8 |
2197224 has 24 divisors (see below), whose sum is σ = 5951010. Its totient is φ = 732384.
The previous prime is 2197193. The next prime is 2197241. The reversal of 2197224 is 4227912.
It can be written as a sum of positive squares in only one way, i.e., 2196324 + 900 = 1482^2 + 30^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15187 + ... + 15330.
22197224 is an apocalyptic number.
2197224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2197224 is an abundant number, since it is smaller than the sum of its proper divisors (3753786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2197224 is a wasteful number, since it uses less digits than its factorization.
2197224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30529 (or 30522 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 2197224 is about 1482.3036126246. The cubic root of 2197224 is about 130.0044179958.
The spelling of 2197224 in words is "two million, one hundred ninety-seven thousand, two hundred twenty-four".
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