Base | Representation |
---|---|
bin | 111101001110… |
… | …010100001111 |
3 | 1010012101200002 |
4 | 331032110033 |
5 | 13102040143 |
6 | 1331554515 |
7 | 253263215 |
oct | 75162417 |
9 | 33171602 |
10 | 16049423 |
11 | 9072195 |
12 | 545ba3b |
13 | 342c200 |
14 | 21bacb5 |
15 | 16205b8 |
hex | f4e50f |
16049423 has 12 divisors (see below), whose sum is σ = 18138960. Its totient is φ = 14167296.
The previous prime is 16049417. The next prime is 16049431. The reversal of 16049423 is 32494061.
It is not a de Polignac number, because 16049423 - 26 = 16049359 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16049443) 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, 1823 + ... + 5951.
It is an arithmetic number, because the mean of its divisors is an integer number (1511580).
Almost surely, 216049423 is an apocalyptic number.
16049423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
16049423 is a deficient number, since it is larger than the sum of its proper divisors (2089537).
16049423 is a wasteful number, since it uses less digits than its factorization.
16049423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4178 (or 4165 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 16049423 is about 4006.1731115867. The cubic root of 16049423 is about 252.2433977821.
The spelling of 16049423 in words is "sixteen million, forty-nine thousand, four hundred twenty-three".
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