Base | Representation |
---|---|
bin | 101100010100… |
… | …1110101011110 |
3 | 1121201201022212 |
4 | 1120221311132 |
5 | 21422140110 |
6 | 2150040422 |
7 | 401352122 |
oct | 130516536 |
9 | 47651285 |
10 | 23240030 |
11 | 12133640 |
12 | 7949112 |
13 | 4a790c8 |
14 | 312d582 |
15 | 2090e05 |
hex | 1629d5e |
23240030 has 32 divisors (see below), whose sum is σ = 46757088. Its totient is φ = 8243200.
The previous prime is 23240029. The next prime is 23240039. The reversal of 23240030 is 3004232.
It is a junction number, because it is equal to n+sod(n) for n = 23239987 and 23240014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23240039) 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, 1934 + ... + 7086.
It is an arithmetic number, because the mean of its divisors is an integer number (1461159).
Almost surely, 223240030 is an apocalyptic number.
23240030 is an abundant number, since it is smaller than the sum of its proper divisors (23517058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23240030 is a wasteful number, since it uses less digits than its factorization.
23240030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5212.
The product of its (nonzero) digits is 144, while the sum is 14.
The square root of 23240030 is about 4820.7914288009. The cubic root of 23240030 is about 285.3725711148.
Adding to 23240030 its reverse (3004232), we get a palindrome (26244262).
The spelling of 23240030 in words is "twenty-three million, two hundred forty thousand, thirty".
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