Base | Representation |
---|---|
bin | 101100010110… |
… | …0100011001000 |
3 | 1121202021120111 |
4 | 1120230203020 |
5 | 21423014034 |
6 | 2150204104 |
7 | 401426410 |
oct | 130544310 |
9 | 47667514 |
10 | 23251144 |
11 | 12140a24 |
12 | 7953634 |
13 | 4a81197 |
14 | 3133640 |
15 | 2094364 |
hex | 162c8c8 |
23251144 has 32 divisors (see below), whose sum is σ = 50575680. Its totient is φ = 9814464.
The previous prime is 23251097. The next prime is 23251159. The reversal of 23251144 is 44115232.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654 + ... + 6850.
It is an arithmetic number, because the mean of its divisors is an integer number (1580490).
Almost surely, 223251144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23251144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25287840).
23251144 is an abundant number, since it is smaller than the sum of its proper divisors (27324536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23251144 is a wasteful number, since it uses less digits than its factorization.
23251144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6277 (or 6273 counting only the distinct ones).
The product of its digits is 960, while the sum is 22.
The square root of 23251144 is about 4821.9440063111. The cubic root of 23251144 is about 285.4180547810.
Adding to 23251144 its reverse (44115232), we get a palindrome (67366376).
The spelling of 23251144 in words is "twenty-three million, two hundred fifty-one thousand, one hundred forty-four".
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