Base | Representation |
---|---|
bin | 101011111001… |
… | …0011001001111 |
3 | 1121022011211020 |
4 | 1113302121033 |
5 | 21342403233 |
6 | 2141125223 |
7 | 366415062 |
oct | 127623117 |
9 | 47264736 |
10 | 23012943 |
11 | 11a98a68 |
12 | 7859813 |
13 | 49c9935 |
14 | 30b08d9 |
15 | 20489b3 |
hex | 15f264f |
23012943 has 8 divisors (see below), whose sum is σ = 31673856. Its totient is φ = 14847000.
The previous prime is 23012911. The next prime is 23012947. The reversal of 23012943 is 34921032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23012943 - 25 = 23012911 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23012947) 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, 123633 + ... + 123818.
It is an arithmetic number, because the mean of its divisors is an integer number (3959232).
Almost surely, 223012943 is an apocalyptic number.
23012943 is a deficient number, since it is larger than the sum of its proper divisors (8660913).
23012943 is a wasteful number, since it uses less digits than its factorization.
23012943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247485.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 23012943 is about 4797.1807345565. The cubic root of 23012943 is about 284.4400331562.
Adding to 23012943 its reverse (34921032), we get a palindrome (57933975).
The spelling of 23012943 in words is "twenty-three million, twelve thousand, nine hundred forty-three".
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