Base | Representation |
---|---|
bin | 111100010001000… |
… | …1111000001111101 |
3 | 12012221012110021220 |
4 | 1320202033001331 |
5 | 13120143143011 |
6 | 532355343553 |
7 | 101053521360 |
oct | 17042170175 |
9 | 5187173256 |
10 | 2022240381 |
11 | 948558147 |
12 | 4852b1bb9 |
13 | 262c63455 |
14 | 1528080d7 |
15 | bc807506 |
hex | 7888f07d |
2022240381 has 16 divisors (see below), whose sum is σ = 3082137600. Its totient is φ = 1155330288.
The previous prime is 2022240373. The next prime is 2022240397. The reversal of 2022240381 is 1830422202.
It is not a de Polignac number, because 2022240381 - 23 = 2022240373 is a prime.
It is a super-2 number, since 2×20222403812 = 8178912317094050322, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2022240331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193980 + ... + 204138.
It is an arithmetic number, because the mean of its divisors is an integer number (192633600).
Almost surely, 22022240381 is an apocalyptic number.
2022240381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2022240381 is a deficient number, since it is larger than the sum of its proper divisors (1059897219).
2022240381 is a wasteful number, since it uses less digits than its factorization.
2022240381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19648.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 2022240381 is about 44969.3271130445. The cubic root of 2022240381 is about 1264.5740322934.
Adding to 2022240381 its reverse (1830422202), we get a palindrome (3852662583).
The spelling of 2022240381 in words is "two billion, twenty-two million, two hundred forty thousand, three hundred eighty-one".
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