Base | Representation |
---|---|
bin | 111010111010… |
… | …0011010011000 |
3 | 2011010010222110 |
4 | 1311310122120 |
5 | 30401314103 |
6 | 3021552320 |
7 | 523344162 |
oct | 165643230 |
9 | 64103873 |
10 | 30885528 |
11 | 16485833 |
12 | a4156a0 |
13 | 652507b |
14 | 415d932 |
15 | 2aa1403 |
hex | 1d74698 |
30885528 has 32 divisors (see below), whose sum is σ = 79302960. Its totient is φ = 10016640.
The previous prime is 30885523. The next prime is 30885529. The reversal of 30885528 is 82558803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30885523) 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, 16503 + ... + 18278.
Almost surely, 230885528 is an apocalyptic number.
It is an amenable number.
30885528 is an abundant number, since it is smaller than the sum of its proper divisors (48417432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30885528 is a wasteful number, since it uses less digits than its factorization.
30885528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34827 (or 34823 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 30885528 is about 5557.4749662054. The cubic root of 30885528 is about 313.7509215171.
It can be divided in two parts, 30885 and 528, that added together give a palindrome (31413).
The spelling of 30885528 in words is "thirty million, eight hundred eighty-five thousand, five hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •