Base | Representation |
---|---|
bin | 101100101100… |
… | …0010001000011 |
3 | 1122002101012121 |
4 | 1121120101003 |
5 | 21444231321 |
6 | 2154105111 |
7 | 403103440 |
oct | 131302103 |
9 | 48071177 |
10 | 23430211 |
11 | 12253512 |
12 | 7a1b197 |
13 | 4b1483c |
14 | 317c9c7 |
15 | 20cc441 |
hex | 1658443 |
23430211 has 16 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 18845568.
The previous prime is 23430191. The next prime is 23430221. The reversal of 23430211 is 11203432.
It is a happy number.
It is not a de Polignac number, because 23430211 - 25 = 23430179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23430221) 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, 14250 + ... + 15808.
It is an arithmetic number, because the mean of its divisors is an integer number (1778400).
Almost surely, 223430211 is an apocalyptic number.
23430211 is a deficient number, since it is larger than the sum of its proper divisors (5024189).
23430211 is a wasteful number, since it uses less digits than its factorization.
23430211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1698.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 23430211 is about 4840.4763195372. The cubic root of 23430211 is about 286.1488906393.
Adding to 23430211 its reverse (11203432), we get a palindrome (34633643).
The spelling of 23430211 in words is "twenty-three million, four hundred thirty thousand, two hundred eleven".
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