Base | Representation |
---|---|
bin | 11000000111000… |
… | …00000101001111 |
3 | 112002120002012111 |
4 | 30003200011033 |
5 | 403233310211 |
6 | 32022444451 |
7 | 5004022624 |
oct | 1403400517 |
9 | 462502174 |
10 | 202244431 |
11 | a4186264 |
12 | 57893727 |
13 | 32b91a7c |
14 | 1cc0834b |
15 | 12b4e421 |
hex | c0e014f |
202244431 has 8 divisors (see below), whose sum is σ = 211587264. Its totient is φ = 193111680.
The previous prime is 202244407. The next prime is 202244443. The reversal of 202244431 is 134442202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202244431 - 215 = 202211663 is a prime.
It is a super-2 number, since 2×2022444312 = 81805619741027522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202244491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50550 + ... + 54403.
It is an arithmetic number, because the mean of its divisors is an integer number (26448408).
Almost surely, 2202244431 is an apocalyptic number.
202244431 is a deficient number, since it is larger than the sum of its proper divisors (9342833).
202244431 is a wasteful number, since it uses less digits than its factorization.
202244431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105041.
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 202244431 is about 14221.2668563669. The cubic root of 202244431 is about 586.9830004935.
Adding to 202244431 its reverse (134442202), we get a palindrome (336686633).
The spelling of 202244431 in words is "two hundred two million, two hundred forty-four thousand, four hundred thirty-one".
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