Base | Representation |
---|---|
bin | 10111001010011… |
… | …00010001010001 |
3 | 111112121102001211 |
4 | 23211030101101 |
5 | 344220031321 |
6 | 31140300121 |
7 | 4546341163 |
oct | 1345142121 |
9 | 445542054 |
10 | 194298961 |
11 | 9a74975a |
12 | 550a1641 |
13 | 3133c3cc |
14 | 1bb3a933 |
15 | 120d00e1 |
hex | b94c451 |
194298961 has 8 divisors (see below), whose sum is σ = 195911784. Its totient is φ = 192691200.
The previous prime is 194298947. The next prime is 194298971. The reversal of 194298961 is 169892491.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 27888961 + 166410000 = 5281^2 + 12900^2 .
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 194298961 - 29 = 194298449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (194298941) 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, 120561 + ... + 122161.
It is an arithmetic number, because the mean of its divisors is an integer number (24488973).
Almost surely, 2194298961 is an apocalyptic number.
It is an amenable number.
194298961 is a deficient number, since it is larger than the sum of its proper divisors (1612823).
194298961 is a wasteful number, since it uses less digits than its factorization.
194298961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2531.
The product of its digits is 279936, while the sum is 49.
The square root of 194298961 is about 13939.1162201913. The cubic root of 194298961 is about 579.1932511465.
The spelling of 194298961 in words is "one hundred ninety-four million, two hundred ninety-eight thousand, nine hundred sixty-one".
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