Base | Representation |
---|---|
bin | 101100001001… |
… | …1110110110001 |
3 | 1121120010211110 |
4 | 1120103312301 |
5 | 21411300001 |
6 | 2144103533 |
7 | 400525500 |
oct | 130236661 |
9 | 47503743 |
10 | 23150001 |
11 | 12081a36 |
12 | 7904ba9 |
13 | 4a47134 |
14 | 3108837 |
15 | 20743d6 |
hex | 1613db1 |
23150001 has 12 divisors (see below), whose sum is σ = 35906352. Its totient is φ = 13228488.
The previous prime is 23149969. The next prime is 23150009. The reversal of 23150001 is 10005132.
It is not a de Polignac number, because 23150001 - 25 = 23149969 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23150009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78595 + ... + 78888.
It is an arithmetic number, because the mean of its divisors is an integer number (2992196).
Almost surely, 223150001 is an apocalyptic number.
23150001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23150001 is a deficient number, since it is larger than the sum of its proper divisors (12756351).
23150001 is a wasteful number, since it uses less digits than its factorization.
23150001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157500 (or 157493 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 23150001 is about 4811.4447934067. Note that the first 3 decimals coincide. The cubic root of 23150001 is about 285.0035949069.
Adding to 23150001 its reverse (10005132), we get a palindrome (33155133).
The spelling of 23150001 in words is "twenty-three million, one hundred fifty thousand, one".
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