Base | Representation |
---|---|
bin | 1000011001100111100001 |
3 | 11010212200120 |
4 | 20121213201 |
5 | 1030431311 |
6 | 115110453 |
7 | 24501030 |
oct | 10314741 |
9 | 4125616 |
10 | 2202081 |
11 | 1274502 |
12 | 8a2429 |
13 | 5c140b |
14 | 414717 |
15 | 2d7706 |
hex | 2199e1 |
2202081 has 16 divisors (see below), whose sum is σ = 3532800. Its totient is φ = 1191888.
The previous prime is 2202077. The next prime is 2202121. The reversal of 2202081 is 1802022.
It is not a de Polignac number, because 2202081 - 22 = 2202077 is a prime.
It is a super-2 number, since 2×22020812 = 9698321461122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2202081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2202041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 3158.
It is an arithmetic number, because the mean of its divisors is an integer number (220800).
22202081 is an apocalyptic number.
2202081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2202081 is a deficient number, since it is larger than the sum of its proper divisors (1330719).
2202081 is a wasteful number, since it uses less digits than its factorization.
2202081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5548.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 2202081 is about 1483.9410365645. The cubic root of 2202081 is about 130.1001398044.
The spelling of 2202081 in words is "two million, two hundred two thousand, eighty-one".
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