Base | Representation |
---|---|
bin | 111001001111… |
… | …1110010011111 |
3 | 2002110220022201 |
4 | 1302133302133 |
5 | 30140431443 |
6 | 2551152331 |
7 | 513056122 |
oct | 162376237 |
9 | 62426281 |
10 | 30014623 |
11 | 15a40481 |
12 | a0756a7 |
13 | 62ab842 |
14 | 3db43b9 |
15 | 297d34d |
hex | 1c9fc9f |
30014623 has 24 divisors (see below), whose sum is σ = 34015680. Its totient is φ = 26429760.
The previous prime is 30014617. The next prime is 30014651. The reversal of 30014623 is 32641003.
It is not a de Polignac number, because 30014623 - 25 = 30014591 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30014623.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30014653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492013 + ... + 492073.
It is an arithmetic number, because the mean of its divisors is an integer number (1417320).
Almost surely, 230014623 is an apocalyptic number.
30014623 is a deficient number, since it is larger than the sum of its proper divisors (4001057).
30014623 is a wasteful number, since it uses less digits than its factorization.
30014623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 30014623 is about 5478.5603035834. The cubic root of 30014623 is about 310.7737280181.
Adding to 30014623 its reverse (32641003), we get a palindrome (62655626).
The spelling of 30014623 in words is "thirty million, fourteen thousand, six hundred twenty-three".
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