Base | Representation |
---|---|
bin | 10001011111101… |
… | …010001110111001 |
3 | 202110021221221022 |
4 | 101133222032321 |
5 | 1100114341441 |
6 | 45042552225 |
7 | 10162545320 |
oct | 2137521671 |
9 | 673257838 |
10 | 293512121 |
11 | 140753001 |
12 | 82368675 |
13 | 48a68a16 |
14 | 2ada50b7 |
15 | 1ab7b84b |
hex | 117ea3b9 |
293512121 has 16 divisors (see below), whose sum is σ = 340744320. Its totient is φ = 247632000.
The previous prime is 293512117. The next prime is 293512127. The reversal of 293512121 is 121215392.
It is a happy number.
It is not a de Polignac number, because 293512121 - 22 = 293512117 is a prime.
It is a super-2 number, since 2×2935121212 = 172298730347837282, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (293512127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155435 + ... + 157311.
It is an arithmetic number, because the mean of its divisors is an integer number (21296520).
Almost surely, 2293512121 is an apocalyptic number.
It is an amenable number.
293512121 is a deficient number, since it is larger than the sum of its proper divisors (47232199).
293512121 is a wasteful number, since it uses less digits than its factorization.
293512121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2224.
The product of its digits is 1080, while the sum is 26.
The square root of 293512121 is about 17132.1954518386. The cubic root of 293512121 is about 664.5719603963.
The spelling of 293512121 in words is "two hundred ninety-three million, five hundred twelve thousand, one hundred twenty-one".
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