Base | Representation |
---|---|
bin | 100001011100010… |
… | …011111000000100 |
3 | 1110002202021202112 |
4 | 201130103320010 |
5 | 2122113211242 |
6 | 131401400152 |
7 | 16622004230 |
oct | 4134237004 |
9 | 1402667675 |
10 | 561069572 |
11 | 268788968 |
12 | 137a99058 |
13 | 8c317b3b |
14 | 547315c0 |
15 | 343ccc82 |
hex | 21713e04 |
561069572 has 12 divisors (see below), whose sum is σ = 1122139200. Its totient is φ = 240458376.
The previous prime is 561069571. The next prime is 561069577. The reversal of 561069572 is 275960165.
561069572 is an admirable number.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (561069571) 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, 10019072 + ... + 10019127.
It is an arithmetic number, because the mean of its divisors is an integer number (93511600).
Almost surely, 2561069572 is an apocalyptic number.
It is an amenable number.
561069572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
561069572 is a wasteful number, since it uses less digits than its factorization.
561069572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20038210 (or 20038208 counting only the distinct ones).
The product of its (nonzero) digits is 113400, while the sum is 41.
The square root of 561069572 is about 23686.9071851941. The cubic root of 561069572 is about 824.7814894825.
The spelling of 561069572 in words is "five hundred sixty-one million, sixty-nine thousand, five hundred seventy-two".
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