Base | Representation |
---|---|
bin | 100001011111101… |
… | …110000000101001 |
3 | 1110011102200101021 |
4 | 201133232000221 |
5 | 2122330304144 |
6 | 131432452441 |
7 | 16632415144 |
oct | 4137560051 |
9 | 1404380337 |
10 | 561963049 |
11 | 26923917a |
12 | 13824a121 |
13 | 8c56b71b |
14 | 548c505b |
15 | 34507884 |
hex | 217ee029 |
561963049 has 8 divisors (see below), whose sum is σ = 572427648. Its totient is φ = 551538960.
The previous prime is 561963043. The next prime is 561963053. The reversal of 561963049 is 940369165.
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 561963049 - 23 = 561963041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 561962996 and 561963014.
It is not an unprimeable number, because it can be changed into a prime (561963041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18624 + ... + 38350.
It is an arithmetic number, because the mean of its divisors is an integer number (71553456).
Almost surely, 2561963049 is an apocalyptic number.
It is an amenable number.
561963049 is a deficient number, since it is larger than the sum of its proper divisors (10464599).
561963049 is a wasteful number, since it uses less digits than its factorization.
561963049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20255.
The product of its (nonzero) digits is 174960, while the sum is 43.
The square root of 561963049 is about 23705.7598275187. The cubic root of 561963049 is about 825.2190659147.
The spelling of 561963049 in words is "five hundred sixty-one million, nine hundred sixty-three thousand, forty-nine".
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