Base | Representation |
---|---|
bin | 1000100000111000101000 |
3 | 11012101112001 |
4 | 20200320220 |
5 | 1032404343 |
6 | 115500344 |
7 | 24653563 |
oct | 10407050 |
9 | 4171461 |
10 | 2231848 |
11 | 1294903 |
12 | 8b76b4 |
13 | 601b28 |
14 | 4214da |
15 | 2e144d |
hex | 220e28 |
2231848 has 8 divisors (see below), whose sum is σ = 4184730. Its totient is φ = 1115920.
The previous prime is 2231843. The next prime is 2231849. The reversal of 2231848 is 8481322.
It can be written as a sum of positive squares in only one way, i.e., 2022084 + 209764 = 1422^2 + 458^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×22318483 = 33351478832870616576, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (2231843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139483 + ... + 139498.
22231848 is an apocalyptic number.
It is an amenable number.
2231848 is a deficient number, since it is larger than the sum of its proper divisors (1952882).
2231848 is a wasteful number, since it uses less digits than its factorization.
2231848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278987 (or 278983 counting only the distinct ones).
The product of its digits is 3072, while the sum is 28.
The square root of 2231848 is about 1493.9370803350. The cubic root of 2231848 is about 130.6837348707.
It can be divided in two parts, 22318 and 48, that added together give a triangular number (22366 = T211).
The spelling of 2231848 in words is "two million, two hundred thirty-one thousand, eight hundred forty-eight".
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