Base | Representation |
---|---|
bin | 111001010100… |
… | …1010100100001 |
3 | 2002112212212201 |
4 | 1302221110201 |
5 | 30143204130 |
6 | 2552053201 |
7 | 513311005 |
oct | 162512441 |
9 | 62485781 |
10 | 30053665 |
11 | 15a67844 |
12 | a094201 |
13 | 62c3545 |
14 | 3dc4705 |
15 | 2989bca |
hex | 1ca9521 |
30053665 has 8 divisors (see below), whose sum is σ = 36224640. Its totient is φ = 23936112.
The previous prime is 30053623. The next prime is 30053693. The reversal of 30053665 is 56635003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30053665 - 27 = 30053537 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 12105 + ... + 14374.
It is an arithmetic number, because the mean of its divisors is an integer number (4528080).
Almost surely, 230053665 is an apocalyptic number.
It is an amenable number.
30053665 is a deficient number, since it is larger than the sum of its proper divisors (6170975).
30053665 is a wasteful number, since it uses less digits than its factorization.
30053665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26711.
The product of its (nonzero) digits is 8100, while the sum is 28.
The square root of 30053665 is about 5482.1223080117. The cubic root of 30053665 is about 310.9084175976.
Adding to 30053665 its reverse (56635003), we get a palindrome (86688668).
It can be divided in two parts, 3005 and 3665, that added together give a triangular number (6670 = T115).
The spelling of 30053665 in words is "thirty million, fifty-three thousand, six hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •