Base | Representation |
---|---|
bin | 10110101011100… |
… | …101110100111101 |
3 | 222112000201101022 |
4 | 112223211310331 |
5 | 1234403312020 |
6 | 101431553525 |
7 | 12300262625 |
oct | 2653456475 |
9 | 875021338 |
10 | 380525885 |
11 | 185884803 |
12 | a752b8a5 |
13 | 60ab365c |
14 | 38775885 |
15 | 23618625 |
hex | 16ae5d3d |
380525885 has 8 divisors (see below), whose sum is σ = 459696600. Its totient is φ = 302377024.
The previous prime is 380525861. The next prime is 380525891. The reversal of 380525885 is 588525083.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 27762361 + 352763524 = 5269^2 + 18782^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-380525885 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254642 + ... + 256131.
It is an arithmetic number, because the mean of its divisors is an integer number (57462075).
Almost surely, 2380525885 is an apocalyptic number.
It is an amenable number.
380525885 is a deficient number, since it is larger than the sum of its proper divisors (79170715).
380525885 is a wasteful number, since it uses less digits than its factorization.
380525885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510927.
The product of its (nonzero) digits is 384000, while the sum is 44.
The square root of 380525885 is about 19507.0726917188. The cubic root of 380525885 is about 724.6496190409.
The spelling of 380525885 in words is "three hundred eighty million, five hundred twenty-five thousand, eight hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •