Base | Representation |
---|---|
bin | 1101011001101… |
… | …0001010101000 |
3 | 10220202120010102 |
4 | 3112122022220 |
5 | 103342042432 |
6 | 5324404532 |
7 | 1251512603 |
oct | 326321250 |
9 | 126676112 |
10 | 56205992 |
11 | 297aa437 |
12 | 169a6748 |
13 | b84c0ab |
14 | 767133a |
15 | 4e03962 |
hex | 359a2a8 |
56205992 has 16 divisors (see below), whose sum is σ = 106571700. Its totient is φ = 27786880.
The previous prime is 56205991. The next prime is 56206013. The reversal of 56205992 is 29950265.
It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 6728836 = 7034^2 + 2594^2 .
It is a super-3 number, since 3×562059923 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (56205991) 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, 38759 + ... + 40182.
Almost surely, 256205992 is an apocalyptic number.
It is an amenable number.
56205992 is a deficient number, since it is larger than the sum of its proper divisors (50365708).
56205992 is a wasteful number, since it uses less digits than its factorization.
56205992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79036 (or 79032 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 38.
The square root of 56205992 is about 7497.0655592705. The cubic root of 56205992 is about 383.0547679180.
The spelling of 56205992 in words is "fifty-six million, two hundred five thousand, nine hundred ninety-two".
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