Base | Representation |
---|---|
bin | 11001000010111… |
… | …100011011110110 |
3 | 1002021200111002120 |
4 | 121002330123312 |
5 | 1330032432410 |
6 | 105410220410 |
7 | 13261442250 |
oct | 3102743366 |
9 | 1067614076 |
10 | 420202230 |
11 | 1a6214178 |
12 | b8884706 |
13 | 69095a96 |
14 | 3db42cd0 |
15 | 26d54570 |
hex | 190bc6f6 |
420202230 has 32 divisors (see below), whose sum is σ = 1152555264. Its totient is φ = 96046176.
The previous prime is 420202217. The next prime is 420202247. The reversal of 420202230 is 32202024.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 1000272 + ... + 1000691.
It is an arithmetic number, because the mean of its divisors is an integer number (36017352).
Almost surely, 2420202230 is an apocalyptic number.
420202230 is an abundant number, since it is smaller than the sum of its proper divisors (732353034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420202230 is a wasteful number, since it uses less digits than its factorization.
420202230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2000980.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 420202230 is about 20498.8348449369. The cubic root of 420202230 is about 749.0074158373.
Adding to 420202230 its reverse (32202024), we get a palindrome (452404254).
The spelling of 420202230 in words is "four hundred twenty million, two hundred two thousand, two hundred thirty".
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