Base | Representation |
---|---|
bin | 10011101110111… |
… | …010111010000001 |
3 | 212001221221120002 |
4 | 103232322322001 |
5 | 1134223121014 |
6 | 52503525345 |
7 | 11130010640 |
oct | 2356727201 |
9 | 761857502 |
10 | 331067009 |
11 | 15a9735a9 |
12 | 92a59855 |
13 | 53787650 |
14 | 31d7d357 |
15 | 1e0e8dde |
hex | 13bbae81 |
331067009 has 16 divisors (see below), whose sum is σ = 418483968. Its totient is φ = 254860992.
The previous prime is 331066913. The next prime is 331067053. The reversal of 331067009 is 900760133.
It is a cyclic number.
It is not a de Polignac number, because 331067009 - 224 = 314289793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (331067089) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45797 + ... + 52530.
It is an arithmetic number, because the mean of its divisors is an integer number (26155248).
Almost surely, 2331067009 is an apocalyptic number.
It is an amenable number.
331067009 is a deficient number, since it is larger than the sum of its proper divisors (87416959).
331067009 is a wasteful number, since it uses less digits than its factorization.
331067009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98384.
The product of its (nonzero) digits is 3402, while the sum is 29.
The square root of 331067009 is about 18195.2468793364. The cubic root of 331067009 is about 691.7863180497.
The spelling of 331067009 in words is "three hundred thirty-one million, sixty-seven thousand, nine".
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