Base | Representation |
---|---|
bin | 111010011111010… |
… | …101100100011011 |
3 | 2112101110212101202 |
4 | 322133111210123 |
5 | 4002202341324 |
6 | 241212304415 |
7 | 33213566345 |
oct | 7237254433 |
9 | 2471425352 |
10 | 981293339 |
11 | 463a07234 |
12 | 23477210b |
13 | 1283ba660 |
14 | 9447c295 |
15 | 5b2388ae |
hex | 3a7d591b |
981293339 has 8 divisors (see below), whose sum is σ = 1057610400. Its totient is φ = 905095296.
The previous prime is 981293311. The next prime is 981293347. The reversal of 981293339 is 933392189.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-981293339 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 981293293 and 981293302.
It is not an unprimeable number, because it can be changed into a prime (981293389) 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, 12239 + ... + 45960.
It is an arithmetic number, because the mean of its divisors is an integer number (132201300).
Almost surely, 2981293339 is an apocalyptic number.
981293339 is a deficient number, since it is larger than the sum of its proper divisors (76317061).
981293339 is a wasteful number, since it uses less digits than its factorization.
981293339 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59509.
The product of its digits is 314928, while the sum is 47.
The square root of 981293339 is about 31325.6019734657. The cubic root of 981293339 is about 993.7251550082.
The spelling of 981293339 in words is "nine hundred eighty-one million, two hundred ninety-three thousand, three hundred thirty-nine".
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