Base | Representation |
---|---|
bin | 11010001110010… |
… | …110010010000001 |
3 | 1010122212201212100 |
4 | 122032112102001 |
5 | 1400113001042 |
6 | 111354021013 |
7 | 13621450104 |
oct | 3216262201 |
9 | 1118781770 |
10 | 439968897 |
11 | 206395165 |
12 | 103417769 |
13 | 701c6c34 |
14 | 4260a73b |
15 | 2895b24c |
hex | 1a396481 |
439968897 has 12 divisors (see below), whose sum is σ = 636811344. Its totient is φ = 292712280.
The previous prime is 439968821. The next prime is 439968899. The reversal of 439968897 is 798869934.
It is not a de Polignac number, because 439968897 - 212 = 439964801 is a prime.
It is not an unprimeable number, because it can be changed into a prime (439968899) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45363 + ... + 54200.
It is an arithmetic number, because the mean of its divisors is an integer number (53067612).
Almost surely, 2439968897 is an apocalyptic number.
It is an amenable number.
439968897 is a deficient number, since it is larger than the sum of its proper divisors (196842447).
439968897 is a wasteful number, since it uses less digits than its factorization.
439968897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100060 (or 100057 counting only the distinct ones).
The product of its digits is 23514624, while the sum is 63.
The square root of 439968897 is about 20975.4355616278. The cubic root of 439968897 is about 760.5725700284.
The spelling of 439968897 in words is "four hundred thirty-nine million, nine hundred sixty-eight thousand, eight hundred ninety-seven".
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