Base | Representation |
---|---|
bin | 111001010001… |
… | …0010111000000 |
3 | 2002111102202200 |
4 | 1302202113000 |
5 | 30141301102 |
6 | 2551313200 |
7 | 513131613 |
oct | 162422700 |
9 | 62442680 |
10 | 30025152 |
11 | 15a48383 |
12 | a07b800 |
13 | 62b3581 |
14 | 3db817a |
15 | 298151c |
hex | 1ca25c0 |
30025152 has 42 divisors (see below), whose sum is σ = 86063328. Its totient is φ = 10008192.
The previous prime is 30025147. The next prime is 30025153. The reversal of 30025152 is 25152003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30025153) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25488 + ... + 26639.
Almost surely, 230025152 is an apocalyptic number.
30025152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30025152 is an abundant number, since it is smaller than the sum of its proper divisors (56038176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30025152 is a wasteful number, since it uses less digits than its factorization.
30025152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52145 (or 52132 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 30025152 is about 5479.5211469617. The cubic root of 30025152 is about 310.8100631298.
Adding to 30025152 its reverse (25152003), we get a palindrome (55177155).
It can be divided in two parts, 300 and 25152, that added together give a palindrome (25452).
The spelling of 30025152 in words is "thirty million, twenty-five thousand, one hundred fifty-two".
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