Base | Representation |
---|---|
bin | 101011111101… |
… | …1101011111101 |
3 | 1121101010000221 |
4 | 1113323223331 |
5 | 21400113010 |
6 | 2142021341 |
7 | 366634045 |
oct | 127735375 |
9 | 47333027 |
10 | 23051005 |
11 | 1201461a |
12 | 7877851 |
13 | 4a11063 |
14 | 30c0725 |
15 | 2054dda |
hex | 15fbafd |
23051005 has 8 divisors (see below), whose sum is σ = 28130400. Its totient is φ = 18128016.
The previous prime is 23051003. The next prime is 23051023. The reversal of 23051005 is 50015032.
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 23051005 - 21 = 23051003 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23051005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23051003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38775 + ... + 39364.
It is an arithmetic number, because the mean of its divisors is an integer number (3516300).
Almost surely, 223051005 is an apocalyptic number.
It is an amenable number.
23051005 is a deficient number, since it is larger than the sum of its proper divisors (5079395).
23051005 is an equidigital number, since it uses as much as digits as its factorization.
23051005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78203.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 23051005 is about 4801.1462173110. The cubic root of 23051005 is about 284.5967622529.
Adding to 23051005 its reverse (50015032), we get a palindrome (73066037).
The spelling of 23051005 in words is "twenty-three million, fifty-one thousand, five".
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