Base | Representation |
---|---|
bin | 11010001111101… |
… | …10100010110110 |
3 | 120100021101210200 |
4 | 31013312202312 |
5 | 422330142410 |
6 | 33502501330 |
7 | 5312230251 |
oct | 1507664266 |
9 | 510241720 |
10 | 220162230 |
11 | 103304162 |
12 | 61894846 |
13 | 367c6512 |
14 | 21350098 |
15 | 144dd3c0 |
hex | d1f68b6 |
220162230 has 24 divisors (see below), whose sum is σ = 572422032. Its totient is φ = 58709904.
The previous prime is 220162219. The next prime is 220162249. The reversal of 220162230 is 32261022.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223034 + ... + 1223213.
It is an arithmetic number, because the mean of its divisors is an integer number (23850918).
Almost surely, 2220162230 is an apocalyptic number.
220162230 is an abundant number, since it is smaller than the sum of its proper divisors (352259802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220162230 is a wasteful number, since it uses less digits than its factorization.
220162230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2446260 (or 2446257 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 220162230 is about 14837.8647385667. The cubic root of 220162230 is about 603.8294238581.
The spelling of 220162230 in words is "two hundred twenty million, one hundred sixty-two thousand, two hundred thirty".
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