Base | Representation |
---|---|
bin | 1000011001101100110100 |
3 | 11010220011010 |
4 | 20121230310 |
5 | 1030434140 |
6 | 115112220 |
7 | 24502023 |
oct | 10315464 |
9 | 4126133 |
10 | 2202420 |
11 | 1274790 |
12 | 8a2670 |
13 | 5c160c |
14 | 4148ba |
15 | 2d7880 |
hex | 219b34 |
2202420 has 96 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 515200.
The previous prime is 2202419. The next prime is 2202433. The reversal of 2202420 is 242022.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
2202420 is a modest number, since divided by 2420 gives 220 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 2202396 and 2202405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30985 + ... + 31055.
It is an arithmetic number, because the mean of its divisors is an integer number (72576).
22202420 is an apocalyptic number.
2202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483648).
2202420 is an abundant number, since it is smaller than the sum of its proper divisors (4764876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2202420 is a wasteful number, since it uses less digits than its factorization.
2202420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141 (or 139 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 2202420 is about 1484.0552550360. The cubic root of 2202420 is about 130.1068155631.
Adding to 2202420 its reverse (242022), we get a palindrome (2444442).
The spelling of 2202420 in words is "two million, two hundred two thousand, four hundred twenty".
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