Base | Representation |
---|---|
bin | 111010011110000… |
… | …101100000001001 |
3 | 2112100212012112022 |
4 | 322132011200021 |
5 | 4002111343020 |
6 | 241201254225 |
7 | 33211032251 |
oct | 7236054011 |
9 | 2470765468 |
10 | 980965385 |
11 | 4638028a4 |
12 | 234634375 |
13 | 1283042ba |
14 | 943d4961 |
15 | 5b1c1625 |
hex | 3a785809 |
980965385 has 8 divisors (see below), whose sum is σ = 1205869896. Its totient is φ = 765631360.
The previous prime is 980965351. The next prime is 980965409. The reversal of 980965385 is 583569089.
It can be written as a sum of positive squares in 4 ways, for example, as 40500496 + 940464889 = 6364^2 + 30667^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 980965385 - 28 = 980965129 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392394 + ... + 2392803.
It is an arithmetic number, because the mean of its divisors is an integer number (150733737).
Almost surely, 2980965385 is an apocalyptic number.
It is an amenable number.
980965385 is a deficient number, since it is larger than the sum of its proper divisors (224904511).
980965385 is a wasteful number, since it uses less digits than its factorization.
980965385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4785243.
The product of its (nonzero) digits is 2332800, while the sum is 53.
The square root of 980965385 is about 31320.3669359093. The cubic root of 980965385 is about 993.6144397448.
The spelling of 980965385 in words is "nine hundred eighty million, nine hundred sixty-five thousand, three hundred eighty-five".
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