Base | Representation |
---|---|
bin | 101100010001… |
… | …1100000000001 |
3 | 1121200101201210 |
4 | 1120203200001 |
5 | 21420322311 |
6 | 2145320333 |
7 | 401213352 |
oct | 130434001 |
9 | 47611653 |
10 | 23214081 |
11 | 121160a0 |
12 | 79360a9 |
13 | 4a6a357 |
14 | 3123d29 |
15 | 20883a6 |
hex | 1623801 |
23214081 has 16 divisors (see below), whose sum is σ = 34341120. Its totient is φ = 13829520.
The previous prime is 23214047. The next prime is 23214083. The reversal of 23214081 is 18041232.
It is not a de Polignac number, because 23214081 - 29 = 23213569 is a prime.
It is a super-2 number, since 2×232140812 = 1077787113349122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23214083) 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, 4015 + ... + 7908.
It is an arithmetic number, because the mean of its divisors is an integer number (2146320).
Almost surely, 223214081 is an apocalyptic number.
It is an amenable number.
23214081 is a deficient number, since it is larger than the sum of its proper divisors (11127039).
23214081 is a wasteful number, since it uses less digits than its factorization.
23214081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11996.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 23214081 is about 4818.0993140449. The cubic root of 23214081 is about 285.2663192344.
It can be divided in two parts, 232140 and 81, that added together give a triangular number (232221 = T681).
The spelling of 23214081 in words is "twenty-three million, two hundred fourteen thousand, eighty-one".
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