Base | Representation |
---|---|
bin | 10011000001000… |
… | …011101101001111 |
3 | 211020100010200102 |
4 | 103001003231033 |
5 | 1123133410211 |
6 | 51354121315 |
7 | 10622555456 |
oct | 2301035517 |
9 | 736303612 |
10 | 319044431 |
11 | 154101892 |
12 | 8aa2023b |
13 | 511382b4 |
14 | 3052db9d |
15 | 1d021a3b |
hex | 13043b4f |
319044431 has 8 divisors (see below), whose sum is σ = 333817440. Its totient is φ = 304346592.
The previous prime is 319044421. The next prime is 319044433. The reversal of 319044431 is 134440913.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-319044431 is a prime.
It is a super-2 number, since 2×3190444312 = 203578697904227522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 319044394 and 319044403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (319044433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10016 + ... + 27173.
It is an arithmetic number, because the mean of its divisors is an integer number (41727180).
Almost surely, 2319044431 is an apocalyptic number.
319044431 is a deficient number, since it is larger than the sum of its proper divisors (14773009).
319044431 is a wasteful number, since it uses less digits than its factorization.
319044431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37585.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 319044431 is about 17861.8148853917. The cubic root of 319044431 is about 683.3088665177.
The spelling of 319044431 in words is "three hundred nineteen million, forty-four thousand, four hundred thirty-one".
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