Base | Representation |
---|---|
bin | 110000000111… |
… | …1101011011101 |
3 | 1202110211010010 |
4 | 1200033223131 |
5 | 22424330140 |
6 | 2300433433 |
7 | 424310661 |
oct | 140175335 |
9 | 52424103 |
10 | 25230045 |
11 | 13272785 |
12 | 8548879 |
13 | 52c4b29 |
14 | 34ca8a1 |
15 | 2335880 |
hex | 180fadd |
25230045 has 16 divisors (see below), whose sum is σ = 40432320. Its totient is φ = 13434624.
The previous prime is 25230017. The next prime is 25230059. The reversal of 25230045 is 54003252.
It is not a de Polignac number, because 25230045 - 216 = 25164509 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14302 + ... + 15968.
It is an arithmetic number, because the mean of its divisors is an integer number (2527020).
Almost surely, 225230045 is an apocalyptic number.
It is an amenable number.
25230045 is a deficient number, since it is larger than the sum of its proper divisors (15202275).
25230045 is a wasteful number, since it uses less digits than its factorization.
25230045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2684.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 25230045 is about 5022.9518213895. The cubic root of 25230045 is about 293.2959110605.
Adding to 25230045 its reverse (54003252), we get a palindrome (79233297).
The spelling of 25230045 in words is "twenty-five million, two hundred thirty thousand, forty-five".
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