Base | Representation |
---|---|
bin | 111001010000… |
… | …1111001010100 |
3 | 2002111100011022 |
4 | 1302201321110 |
5 | 30141221002 |
6 | 2551300312 |
7 | 513123230 |
oct | 162417124 |
9 | 62440138 |
10 | 30023252 |
11 | 15a46a06 |
12 | a07a698 |
13 | 62b274c |
14 | 3db75c0 |
15 | 2980ba2 |
hex | 1ca1e54 |
30023252 has 24 divisors (see below), whose sum is σ = 61985280. Its totient is φ = 12451680.
The previous prime is 30023251. The next prime is 30023261. The reversal of 30023252 is 25232003.
It is a self number, because there is not a number n which added to its sum of digits gives 30023252.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16427 + ... + 18162.
It is an arithmetic number, because the mean of its divisors is an integer number (2582720).
Almost surely, 230023252 is an apocalyptic number.
It is an amenable number.
30023252 is an abundant number, since it is smaller than the sum of its proper divisors (31962028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30023252 is a wasteful number, since it uses less digits than its factorization.
30023252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34631 (or 34629 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 30023252 is about 5479.3477714049. The cubic root of 30023252 is about 310.8035069423.
Adding to 30023252 its reverse (25232003), we get a palindrome (55255255).
The spelling of 30023252 in words is "thirty million, twenty-three thousand, two hundred fifty-two".
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