Base | Representation |
---|---|
bin | 111110111111… |
… | …0000001001111 |
3 | 2022010200201012 |
4 | 1331332001033 |
5 | 31423201111 |
6 | 3135435435 |
7 | 550453100 |
oct | 175760117 |
9 | 68120635 |
10 | 33022031 |
11 | 17704a39 |
12 | b085b7b |
13 | 6ac2683 |
14 | 45583a7 |
15 | 2d7448b |
hex | 1f7e04f |
33022031 has 12 divisors (see below), whose sum is σ = 38543400. Its totient is φ = 28208880.
The previous prime is 33021983. The next prime is 33022049. The reversal of 33022031 is 13022033.
It is a de Polignac number, because none of the positive numbers 2k-33022031 is a prime.
It is a super-2 number, since 2×330220312 = 2180909062729922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33021997 and 33022015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33022081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16136 + ... + 18066.
It is an arithmetic number, because the mean of its divisors is an integer number (3211950).
Almost surely, 233022031 is an apocalyptic number.
33022031 is a deficient number, since it is larger than the sum of its proper divisors (5521369).
33022031 is a wasteful number, since it uses less digits than its factorization.
33022031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2294 (or 2287 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 33022031 is about 5746.4798790216. The cubic root of 33022031 is about 320.8247960997.
Adding to 33022031 its reverse (13022033), we get a palindrome (46044064).
The spelling of 33022031 in words is "thirty-three million, twenty-two thousand, thirty-one".
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