Base | Representation |
---|---|
bin | 1000100100001001011111 |
3 | 11020001212010 |
4 | 20210021133 |
5 | 1033321330 |
6 | 120042303 |
7 | 25040550 |
oct | 10441137 |
9 | 4201763 |
10 | 2245215 |
11 | 12a3955 |
12 | 903393 |
13 | 607c3b |
14 | 426327 |
15 | 2e53b0 |
hex | 22425f |
2245215 has 16 divisors (see below), whose sum is σ = 4105728. Its totient is φ = 1026336.
The previous prime is 2245189. The next prime is 2245223. The reversal of 2245215 is 5125422.
It is a happy number.
It is not a de Polignac number, because 2245215 - 25 = 2245183 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 2245191 and 2245200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587 + ... + 10796.
It is an arithmetic number, because the mean of its divisors is an integer number (256608).
22245215 is an apocalyptic number.
2245215 is a deficient number, since it is larger than the sum of its proper divisors (1860513).
2245215 is a wasteful number, since it uses less digits than its factorization.
2245215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21398.
The product of its digits is 800, while the sum is 21.
The square root of 2245215 is about 1498.4041510888. The cubic root of 2245215 is about 130.9441130606.
The spelling of 2245215 in words is "two million, two hundred forty-five thousand, two hundred fifteen".
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