Base | Representation |
---|---|
bin | 101100101000… |
… | …1101000110101 |
3 | 1122000222222001 |
4 | 1121101220311 |
5 | 21442344221 |
6 | 2153335301 |
7 | 402631333 |
oct | 131215065 |
9 | 48028861 |
10 | 23403061 |
11 | 12235080 |
12 | 7a07531 |
13 | 4b05386 |
14 | 3172b53 |
15 | 20c4391 |
hex | 1651a35 |
23403061 has 8 divisors (see below), whose sum is σ = 25616448. Its totient is φ = 21204000.
The previous prime is 23403059. The next prime is 23403071. The reversal of 23403061 is 16030432.
23403061 is a nontrivial binomial coefficient, being equal to C(6842, 2).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23403061 - 21 = 23403059 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23403001) 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, 1 + ... + 6841.
It is an arithmetic number, because the mean of its divisors is an integer number (3202056).
Almost surely, 223403061 is an apocalyptic number.
23403061 is the 6841-st triangular number and also the 3421-st hexagonal number.
23403061 is the 2281-st centered nonagonal number.
It is an amenable number.
23403061 is a deficient number, since it is larger than the sum of its proper divisors (2213387).
23403061 is a wasteful number, since it uses less digits than its factorization.
23403061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7163.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 23403061 is about 4837.6710305683. The cubic root of 23403061 is about 286.0383219225.
Adding to 23403061 its reverse (16030432), we get a palindrome (39433493).
The spelling of 23403061 in words is "twenty-three million, four hundred three thousand, sixty-one".
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