Base | Representation |
---|---|
bin | 101011111100… |
… | …1000110101110 |
3 | 1121100120112021 |
4 | 1113321012232 |
5 | 21344243210 |
6 | 2141500354 |
7 | 366561160 |
oct | 127710656 |
9 | 47316467 |
10 | 23040430 |
11 | 12007686 |
12 | 78716ba |
13 | 4a092ba |
14 | 30ba930 |
15 | 2051bda |
hex | 15f91ae |
23040430 has 32 divisors (see below), whose sum is σ = 47568384. Its totient is φ = 7871136.
The previous prime is 23040427. The next prime is 23040431. The reversal of 23040430 is 3404032.
It is a super-3 number, since 3×230404303 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23040431) 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, 30639 + ... + 31381.
It is an arithmetic number, because the mean of its divisors is an integer number (1486512).
Almost surely, 223040430 is an apocalyptic number.
23040430 is an abundant number, since it is smaller than the sum of its proper divisors (24527954).
23040430 is a wasteful number, since it uses less digits than its factorization.
23040430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1200.
The product of its (nonzero) digits is 288, while the sum is 16.
The square root of 23040430 is about 4800.0447914577. The cubic root of 23040430 is about 284.5532345613.
Adding to 23040430 its reverse (3404032), we get a palindrome (26444462).
The spelling of 23040430 in words is "twenty-three million, forty thousand, four hundred thirty".
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