Base | Representation |
---|---|
bin | 111001100111… |
… | …1100001101000 |
3 | 2002211211112112 |
4 | 1303033201220 |
5 | 30213211102 |
6 | 2555301452 |
7 | 514532150 |
oct | 163174150 |
9 | 62754475 |
10 | 30210152 |
11 | 16064375 |
12 | a14a888 |
13 | 634983b |
14 | 4025760 |
15 | 29bb252 |
hex | 1ccf868 |
30210152 has 32 divisors (see below), whose sum is σ = 68145600. Its totient is φ = 12265344.
The previous prime is 30210149. The next prime is 30210157. The reversal of 30210152 is 25101203.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is not an unprimeable number, because it can be changed into a prime (30210157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13133 + ... + 15260.
It is an arithmetic number, because the mean of its divisors is an integer number (2129550).
Almost surely, 230210152 is an apocalyptic number.
It is an amenable number.
30210152 is an abundant number, since it is smaller than the sum of its proper divisors (37935448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210152 is a wasteful number, since it uses less digits than its factorization.
30210152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28425 (or 28421 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 30210152 is about 5496.3762607740. The cubic root of 30210152 is about 311.4471086877.
Adding to 30210152 its reverse (25101203), we get a palindrome (55311355).
The spelling of 30210152 in words is "thirty million, two hundred ten thousand, one hundred fifty-two".
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