Base | Representation |
---|---|
bin | 111101001011… |
… | …100101010111 |
3 | 1010011211022120 |
4 | 331023211113 |
5 | 13101210411 |
6 | 1331431023 |
7 | 253215456 |
oct | 75134527 |
9 | 33154276 |
10 | 16038231 |
11 | 9064840 |
12 | 5455473 |
13 | 34270a1 |
14 | 21b6b9d |
15 | 161c106 |
hex | f4b957 |
16038231 has 16 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 9672800.
The previous prime is 16038227. The next prime is 16038241. The reversal of 16038231 is 13283061.
It is a cyclic number.
It is not a de Polignac number, because 16038231 - 22 = 16038227 is a prime.
It is a super-2 number, since 2×160382312 = 514449707218722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16038241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6421 + ... + 8561.
It is an arithmetic number, because the mean of its divisors is an integer number (1465128).
Almost surely, 216038231 is an apocalyptic number.
16038231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
16038231 is the 2141-st nonagonal number.
16038231 is a deficient number, since it is larger than the sum of its proper divisors (7403817).
16038231 is a wasteful number, since it uses less digits than its factorization.
16038231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2382.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 16038231 is about 4004.7760236997. The cubic root of 16038231 is about 252.1847505109.
The spelling of 16038231 in words is "sixteen million, thirty-eight thousand, two hundred thirty-one".
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