Base | Representation |
---|---|
bin | 111001011011… |
… | …1010000010110 |
3 | 2002122210011200 |
4 | 1302313100112 |
5 | 30202020432 |
6 | 2553213330 |
7 | 513636264 |
oct | 162672026 |
9 | 62583150 |
10 | 30110742 |
11 | 15aa6712 |
12 | a101246 |
13 | 631350c |
14 | 3ddb434 |
15 | 299ba7c |
hex | 1cb7416 |
30110742 has 24 divisors (see below), whose sum is σ = 65398944. Its totient is φ = 10012464.
The previous prime is 30110741. The next prime is 30110767. The reversal of 30110742 is 24701103.
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 (30110741) 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 11 ways as a sum of consecutive naturals, for example, 6528 + ... + 10140.
It is an arithmetic number, because the mean of its divisors is an integer number (2724956).
Almost surely, 230110742 is an apocalyptic number.
30110742 is an abundant number, since it is smaller than the sum of its proper divisors (35288202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110742 is a wasteful number, since it uses less digits than its factorization.
30110742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4084 (or 4081 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 30110742 is about 5487.3255780936. The cubic root of 30110742 is about 311.1051157102.
Adding to 30110742 its reverse (24701103), we get a palindrome (54811845).
The spelling of 30110742 in words is "thirty million, one hundred ten thousand, seven hundred forty-two".
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