Base | Representation |
---|---|
bin | 1000011001011110001001 |
3 | 11010211212100 |
4 | 20121132021 |
5 | 1030421411 |
6 | 115104013 |
7 | 24466212 |
oct | 10313611 |
9 | 4124770 |
10 | 2201481 |
11 | 1274007 |
12 | 8a2009 |
13 | 5c1069 |
14 | 414409 |
15 | 2d7456 |
hex | 219789 |
2201481 has 12 divisors (see below), whose sum is σ = 3193840. Its totient is φ = 1461240.
The previous prime is 2201443. The next prime is 2201489. The reversal of 2201481 is 1841022.
It is not a de Polignac number, because 2201481 - 26 = 2201417 is a prime.
It is a super-2 number, since 2×22014812 = 9693037186722, which contains 22 as substring.
It is a Duffinian number.
2201481 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2201489) 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, 2610 + ... + 3348.
22201481 is an apocalyptic number.
It is an amenable number.
2201481 is a deficient number, since it is larger than the sum of its proper divisors (992359).
2201481 is a wasteful number, since it uses less digits than its factorization.
2201481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2201481 is about 1483.7388584249. The cubic root of 2201481 is about 130.0883226226.
The spelling of 2201481 in words is "two million, two hundred one thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.295 sec. • engine limits •