Base | Representation |
---|---|
bin | 11010101000101… |
… | …11010111100001 |
3 | 120120110001100111 |
4 | 31110113113201 |
5 | 424200124101 |
6 | 34101051321 |
7 | 5352141400 |
oct | 1524272741 |
9 | 516401314 |
10 | 223442401 |
11 | 105144646 |
12 | 629b6b41 |
13 | 373a4550 |
14 | 21965637 |
15 | 1493a251 |
hex | d5175e1 |
223442401 has 48 divisors (see below), whose sum is σ = 296932608. Its totient is φ = 166320000.
The previous prime is 223442393. The next prime is 223442437. The reversal of 223442401 is 104244322.
It is a happy number.
It is not a de Polignac number, because 223442401 - 23 = 223442393 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223442201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1479676 + ... + 1479826.
It is an arithmetic number, because the mean of its divisors is an integer number (6186096).
Almost surely, 2223442401 is an apocalyptic number.
It is an amenable number.
223442401 is a deficient number, since it is larger than the sum of its proper divisors (73490207).
223442401 is a wasteful number, since it uses less digits than its factorization.
223442401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302 (or 295 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 223442401 is about 14947.9898648614. The cubic root of 223442401 is about 606.8134473901.
Adding to 223442401 its reverse (104244322), we get a palindrome (327686723).
The spelling of 223442401 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred one".
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