Base | Representation |
---|---|
bin | 111001100000… |
… | …0111010010000 |
3 | 2002201210102100 |
4 | 1303000322100 |
5 | 30204302123 |
6 | 2554120400 |
7 | 514162500 |
oct | 163007220 |
9 | 62653370 |
10 | 30150288 |
11 | 160233a3 |
12 | a120100 |
13 | 632850c |
14 | 400ba00 |
15 | 29a8643 |
hex | 1cc0e90 |
30150288 has 90 divisors (see below), whose sum is σ = 98178054. Its totient is φ = 8612352.
The previous prime is 30150257. The next prime is 30150311. The reversal of 30150288 is 88205103.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 22924944 + 7225344 = 4788^2 + 2688^2 .
It is a super-3 number, since 3×301502883 (a number of 23 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4920 + ... + 9192.
Almost surely, 230150288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30150288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49089027).
30150288 is an abundant number, since it is smaller than the sum of its proper divisors (68027766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30150288 is a wasteful number, since it uses less digits than its factorization.
30150288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4301 (or 4285 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 30150288 is about 5490.9277904558. The cubic root of 30150288 is about 311.2412529598.
The spelling of 30150288 in words is "thirty million, one hundred fifty thousand, two hundred eighty-eight".
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