Base | Representation |
---|---|
bin | 111010000011… |
… | …1111111100101 |
3 | 2010021120210221 |
4 | 1310013333211 |
5 | 30243111240 |
6 | 3004244341 |
7 | 516514366 |
oct | 164077745 |
9 | 63246727 |
10 | 30441445 |
11 | 16202121 |
12 | a2406b1 |
13 | 63cabb8 |
14 | 4085b6d |
15 | 2a14a4a |
hex | 1d07fe5 |
30441445 has 16 divisors (see below), whose sum is σ = 38070000. Its totient is φ = 23339008.
The previous prime is 30441427. The next prime is 30441457. The reversal of 30441445 is 54414403.
It can be written as a sum of positive squares in 8 ways, for example, as 10074276 + 20367169 = 3174^2 + 4513^2 .
It is a cyclic number.
It is not a de Polignac number, because 30441445 - 27 = 30441317 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20901 + ... + 22309.
It is an arithmetic number, because the mean of its divisors is an integer number (2379375).
Almost surely, 230441445 is an apocalyptic number.
It is an amenable number.
30441445 is a deficient number, since it is larger than the sum of its proper divisors (7628555).
30441445 is a wasteful number, since it uses less digits than its factorization.
30441445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1592.
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 30441445 is about 5517.3766411221. The cubic root of 30441445 is about 312.2399158667.
Adding to 30441445 its reverse (54414403), we get a palindrome (84855848).
It can be divided in two parts, 3044 and 1445, that added together give a square (4489 = 672).
The spelling of 30441445 in words is "thirty million, four hundred forty-one thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •