Base | Representation |
---|---|
bin | 111001111000… |
… | …0000111010000 |
3 | 2010002121122020 |
4 | 1303300013100 |
5 | 30231444012 |
6 | 3002211440 |
7 | 515626254 |
oct | 163600720 |
9 | 63077566 |
10 | 30343632 |
11 | 16145690 |
12 | a1b3b80 |
13 | 6395517 |
14 | 405c264 |
15 | 29e5a8c |
hex | 1cf01d0 |
30343632 has 80 divisors (see below), whose sum is σ = 86512320. Its totient is φ = 9088000.
The previous prime is 30343619. The next prime is 30343633. The reversal of 30343632 is 23634303.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30343633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53044 + ... + 53612.
It is an arithmetic number, because the mean of its divisors is an integer number (1081404).
Almost surely, 230343632 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 30343632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43256160).
30343632 is an abundant number, since it is smaller than the sum of its proper divisors (56168688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30343632 is a wasteful number, since it uses less digits than its factorization.
30343632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692 (or 686 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 24.
The square root of 30343632 is about 5508.5054234338. The cubic root of 30343632 is about 311.9051322354.
Adding to 30343632 its reverse (23634303), we get a palindrome (53977935).
It can be divided in two parts, 3034 and 3632, that added together give a palindrome (6666).
The spelling of 30343632 in words is "thirty million, three hundred forty-three thousand, six hundred thirty-two".
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