Base | Representation |
---|---|
bin | 10110111010101… |
… | …000011110110001 |
3 | 222210110001012101 |
4 | 112322220132301 |
5 | 1241411001123 |
6 | 102052300401 |
7 | 12345634423 |
oct | 2672503661 |
9 | 883401171 |
10 | 384468913 |
11 | 188028204 |
12 | a8911701 |
13 | 618642ca |
14 | 390c0813 |
15 | 23b46aad |
hex | 16ea87b1 |
384468913 has 4 divisors (see below), whose sum is σ = 396871168. Its totient is φ = 372066660.
The previous prime is 384468901. The next prime is 384468919. The reversal of 384468913 is 319864483.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 319864483 = 9397 ⋅34039.
It is a cyclic number.
It is not a de Polignac number, because 384468913 - 221 = 382371761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (384468919) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6201081 + ... + 6201142.
It is an arithmetic number, because the mean of its divisors is an integer number (99217792).
Almost surely, 2384468913 is an apocalyptic number.
It is an amenable number.
384468913 is a deficient number, since it is larger than the sum of its proper divisors (12402255).
384468913 is a wasteful number, since it uses less digits than its factorization.
384468913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12402254.
The product of its digits is 497664, while the sum is 46.
The square root of 384468913 is about 19607.8788500949. The cubic root of 384468913 is about 727.1439749364.
The spelling of 384468913 in words is "three hundred eighty-four million, four hundred sixty-eight thousand, nine hundred thirteen".
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