Base | Representation |
---|---|
bin | 1000001101000101… |
… | …1111111001110100 |
3 | 12200111012122011000 |
4 | 2003101133321310 |
5 | 14002303334140 |
6 | 1002313043300 |
7 | 105402053211 |
oct | 20321377164 |
9 | 5614178130 |
10 | 2202402420 |
11 | a30220599 |
12 | 5156b6530 |
13 | 291392cca |
14 | 16c704b08 |
15 | cd543a30 |
hex | 8345fe74 |
2202402420 has 48 divisors (see below), whose sum is σ = 6851920320. Its totient is φ = 587307168.
The previous prime is 2202402401. The next prime is 2202402487. The reversal of 2202402420 is 242042022.
2202402420 is a `hidden beast` number, since 2 + 2 + 0 + 240 + 2 + 420 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2202402393 and 2202402402.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038722 + ... + 2039801.
It is an arithmetic number, because the mean of its divisors is an integer number (142748340).
Almost surely, 22202402420 is an apocalyptic number.
2202402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2202402420 is an abundant number, since it is smaller than the sum of its proper divisors (4649517900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2202402420 is a wasteful number, since it uses less digits than its factorization.
2202402420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4078541 (or 4078533 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
The square root of 2202402420 is about 46929.7604937421. The cubic root of 2202402420 is about 1301.0646938577.
Adding to 2202402420 its reverse (242042022), we get a palindrome (2444444442).
The spelling of 2202402420 in words is "two billion, two hundred two million, four hundred two thousand, four hundred twenty".
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