Base | Representation |
---|---|
bin | 111001010100… |
… | …1011010011101 |
3 | 2002112220101210 |
4 | 1302221122131 |
5 | 30143212140 |
6 | 2552055033 |
7 | 513312060 |
oct | 162513235 |
9 | 62486353 |
10 | 30054045 |
11 | 15a6805a |
12 | a094479 |
13 | 62c3778 |
14 | 3dc48d7 |
15 | 2989d80 |
hex | 1ca969d |
30054045 has 64 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 12730368.
The previous prime is 30054043. The next prime is 30054083. The reversal of 30054045 is 54045003.
30054045 = 3652 + 3662 + ... + 5172.
It is a happy number.
It is not a de Polignac number, because 30054045 - 21 = 30054043 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30054043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201631 + ... + 201779.
It is an arithmetic number, because the mean of its divisors is an integer number (923400).
Almost surely, 230054045 is an apocalyptic number.
30054045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30054045 is a deficient number, since it is larger than the sum of its proper divisors (29043555).
30054045 is a wasteful number, since it uses less digits than its factorization.
30054045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 30054045 is about 5482.1569660126. The cubic root of 30054045 is about 310.9097279725.
Adding to 30054045 its reverse (54045003), we get a palindrome (84099048).
It can be divided in two parts, 300 and 54045, that added together give a palindrome (54345).
The spelling of 30054045 in words is "thirty million, fifty-four thousand, forty-five".
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