Base | Representation |
---|---|
bin | 111001011110… |
… | …1001101101110 |
3 | 2002201000122200 |
4 | 1302331031232 |
5 | 30203311100 |
6 | 2553522330 |
7 | 514100403 |
oct | 162751556 |
9 | 62630580 |
10 | 30135150 |
11 | 16012a91 |
12 | a1133a6 |
13 | 6321666 |
14 | 40062aa |
15 | 29a3e00 |
hex | 1cbd36e |
30135150 has 72 divisors (see below), whose sum is σ = 81651024. Its totient is φ = 7968000.
The previous prime is 30135143. The next prime is 30135151. The reversal of 30135150 is 5153103.
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 (30135151) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74950 + ... + 75350.
It is an arithmetic number, because the mean of its divisors is an integer number (1134042).
Almost surely, 230135150 is an apocalyptic number.
30135150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30135150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40825512).
30135150 is an abundant number, since it is smaller than the sum of its proper divisors (51515874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30135150 is a wasteful number, since it uses less digits than its factorization.
30135150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586 (or 578 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 18.
The square root of 30135150 is about 5489.5491618165. The cubic root of 30135150 is about 311.1891544100.
Adding to 30135150 its reverse (5153103), we get a palindrome (35288253).
It can be divided in two parts, 301351 and 50, that added together give a square (301401 = 5492).
The spelling of 30135150 in words is "thirty million, one hundred thirty-five thousand, one hundred fifty".
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