| Base | Representation |
|---|---|
| bin | 10111111101110… |
| … | …11000011111100 |
| 3 | 112000022002211020 |
| 4 | 23332323003330 |
| 5 | 402431403340 |
| 6 | 31541024140 |
| 7 | 4660563516 |
| oct | 1376730374 |
| 9 | 460262736 |
| 10 | 201044220 |
| 11 | a3536553 |
| 12 | 573b5050 |
| 13 | 328616a0 |
| 14 | 1c9b4bb6 |
| 15 | 129b39d0 |
| hex | bfbb0fc |
201044220 has 96 divisors (see below), whose sum is σ = 615433728. Its totient is φ = 48736512.
The previous prime is 201044209. The next prime is 201044231. The reversal of 201044220 is 22440102.
It is an interprime number because it is at equal distance from previous prime (201044209) and next prime (201044231).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 201044220.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50337 + ... + 54183.
It is an arithmetic number, because the mean of its divisors is an integer number (6410768).
Almost surely, 2201044220 is an apocalyptic number.
201044220 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 201044220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307716864).
201044220 is an abundant number, since it is smaller than the sum of its proper divisors (414389508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201044220 is a wasteful number, since it uses less digits than its factorization.
201044220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3939 (or 3937 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 201044220 is about 14179.0063121504. The cubic root of 201044220 is about 585.8195540660.
Adding to 201044220 its reverse (22440102), we get a palindrome (223484322).
The spelling of 201044220 in words is "two hundred one million, forty-four thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •