Base | Representation |
---|---|
bin | 101100001010… |
… | …0001011011101 |
3 | 1121120012122111 |
4 | 1120110023131 |
5 | 21411320300 |
6 | 2144114021 |
7 | 400532401 |
oct | 130241335 |
9 | 47505574 |
10 | 23151325 |
11 | 12082a2a |
12 | 7905911 |
13 | 4a47912 |
14 | 3109101 |
15 | 20749ba |
hex | 16142dd |
23151325 has 12 divisors (see below), whose sum is σ = 29114208. Its totient is φ = 18258800.
The previous prime is 23151319. The next prime is 23151343. The reversal of 23151325 is 52315132.
It is not a de Polignac number, because 23151325 - 27 = 23151197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23151296 and 23151305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4747 + ... + 8296.
It is an arithmetic number, because the mean of its divisors is an integer number (2426184).
Almost surely, 223151325 is an apocalyptic number.
23151325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23151325 is a deficient number, since it is larger than the sum of its proper divisors (5962883).
23151325 is a wasteful number, since it uses less digits than its factorization.
23151325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13124 (or 13119 counting only the distinct ones).
The product of its digits is 900, while the sum is 22.
The square root of 23151325 is about 4811.5823800492. The cubic root of 23151325 is about 285.0090281330.
Adding to 23151325 its reverse (52315132), we get a palindrome (75466457).
The spelling of 23151325 in words is "twenty-three million, one hundred fifty-one thousand, three hundred twenty-five".
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