Base | Representation |
---|---|
bin | 10101001101110110111110 |
3 | 101110120100020 |
4 | 111031312332 |
5 | 2410434130 |
6 | 315113010 |
7 | 65163063 |
oct | 25156676 |
9 | 11416306 |
10 | 5561790 |
11 | 3159723 |
12 | 1a42766 |
13 | 11c9700 |
14 | a4ac6a |
15 | 74ce10 |
hex | 54ddbe |
5561790 has 48 divisors (see below), whose sum is σ = 14467248. Its totient is φ = 1367808.
The previous prime is 5561779. The next prime is 5561819. The reversal of 5561790 is 971655.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4522 + ... + 5618.
It is an arithmetic number, because the mean of its divisors is an integer number (301401).
Almost surely, 25561790 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5561790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7233624).
5561790 is an abundant number, since it is smaller than the sum of its proper divisors (8905458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5561790 is a wasteful number, since it uses less digits than its factorization.
5561790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133 (or 1120 counting only the distinct ones).
The product of its (nonzero) digits is 9450, while the sum is 33.
The square root of 5561790 is about 2358.3447585118. The cubic root of 5561790 is about 177.1759876218.
It can be divided in two parts, 556 and 1790, that added together give a triangular number (2346 = T68).
The spelling of 5561790 in words is "five million, five hundred sixty-one thousand, seven hundred ninety".
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