Base | Representation |
---|---|
bin | 101100010001… |
… | …1011111011010 |
3 | 1121200101200100 |
4 | 1120203133122 |
5 | 21420322132 |
6 | 2145320230 |
7 | 401213265 |
oct | 130433732 |
9 | 47611610 |
10 | 23214042 |
11 | 12116065 |
12 | 7936076 |
13 | 4a6a327 |
14 | 3123cdc |
15 | 208837c |
hex | 16237da |
23214042 has 36 divisors (see below), whose sum is σ = 51248574. Its totient is φ = 7593600.
The previous prime is 23214041. The next prime is 23214043. The reversal of 23214042 is 24041232.
It is an interprime number because it is at equal distance from previous prime (23214041) and next prime (23214043).
It can be written as a sum of positive squares in 3 ways, for example, as 12383361 + 10830681 = 3519^2 + 3291^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23214041) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 205378 + ... + 205490.
Almost surely, 223214042 is an apocalyptic number.
23214042 is an abundant number, since it is smaller than the sum of its proper divisors (28034532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23214042 is a wasteful number, since it uses less digits than its factorization.
23214042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 23214042 is about 4818.0952668041. The cubic root of 23214042 is about 285.2661594837.
Adding to 23214042 its reverse (24041232), we get a palindrome (47255274).
The spelling of 23214042 in words is "twenty-three million, two hundred fourteen thousand, forty-two".
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