Base | Representation |
---|---|
bin | 111001100000… |
… | …1010110111000 |
3 | 2002201212221012 |
4 | 1303001112320 |
5 | 30204331440 |
6 | 2554133052 |
7 | 514201025 |
oct | 163012670 |
9 | 62655835 |
10 | 30152120 |
11 | 16024809 |
12 | a121188 |
13 | 63292bb |
14 | 400c54c |
15 | 29a8e65 |
hex | 1cc15b8 |
30152120 has 16 divisors (see below), whose sum is σ = 67842360. Its totient is φ = 12060832.
The previous prime is 30152093. The next prime is 30152123. The reversal of 30152120 is 2125103.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30152095 and 30152104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30152123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376862 + ... + 376941.
Almost surely, 230152120 is an apocalyptic number.
It is an amenable number.
30152120 is an abundant number, since it is smaller than the sum of its proper divisors (37690240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30152120 is a wasteful number, since it uses less digits than its factorization.
30152120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 753814 (or 753810 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 30152120 is about 5491.0946085457. The cubic root of 30152120 is about 311.2475567407.
Adding to 30152120 its reverse (2125103), we get a palindrome (32277223).
The spelling of 30152120 in words is "thirty million, one hundred fifty-two thousand, one hundred twenty".
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