Base | Representation |
---|---|
bin | 111111010011… |
… | …1000010011100 |
3 | 2022110020011220 |
4 | 1332213002130 |
5 | 31444040134 |
6 | 3143213340 |
7 | 552052656 |
oct | 176470234 |
9 | 68406156 |
10 | 33190044 |
11 | 1780a198 |
12 | b147250 |
13 | 6b50ca4 |
14 | 459d6d6 |
15 | 2da9149 |
hex | 1fa709c |
33190044 has 12 divisors (see below), whose sum is σ = 77443464. Its totient is φ = 11063344.
The previous prime is 33190043. The next prime is 33190061. The reversal of 33190044 is 44009133.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×331900442 = 2203158041443872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33189996 and 33190023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33190043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382907 + ... + 1382930.
It is an arithmetic number, because the mean of its divisors is an integer number (6453622).
Almost surely, 233190044 is an apocalyptic number.
It is an amenable number.
33190044 is an abundant number, since it is smaller than the sum of its proper divisors (44253420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33190044 is a wasteful number, since it uses less digits than its factorization.
33190044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2765844 (or 2765842 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 33190044 is about 5761.0801070633. The cubic root of 33190044 is about 321.3679847429.
Adding to 33190044 its reverse (44009133), we get a palindrome (77199177).
The spelling of 33190044 in words is "thirty-three million, one hundred ninety thousand, forty-four".
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