Base | Representation |
---|---|
bin | 111010001100… |
… | …1110100001101 |
3 | 2010102021221122 |
4 | 1310121310031 |
5 | 30302430240 |
6 | 3010010325 |
7 | 520240253 |
oct | 164316415 |
9 | 63367848 |
10 | 30514445 |
11 | 16251a55 |
12 | a2769a5 |
13 | 64251b0 |
14 | 40a45d3 |
15 | 2a2b4b5 |
hex | 1d19d0d |
30514445 has 16 divisors (see below), whose sum is σ = 41150592. Its totient is φ = 21552960.
The previous prime is 30514433. The next prime is 30514459. The reversal of 30514445 is 54441503.
It is not a de Polignac number, because 30514445 - 28 = 30514189 is a prime.
It is a super-2 number, since 2×305144452 = 1862262707316050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8711 + ... + 11700.
It is an arithmetic number, because the mean of its divisors is an integer number (2571912).
Almost surely, 230514445 is an apocalyptic number.
It is an amenable number.
30514445 is a deficient number, since it is larger than the sum of its proper divisors (10636147).
30514445 is a wasteful number, since it uses less digits than its factorization.
30514445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20452.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 30514445 is about 5523.9881426375. The cubic root of 30514445 is about 312.4893052340.
Adding to 30514445 its reverse (54441503), we get a palindrome (84955948).
The spelling of 30514445 in words is "thirty million, five hundred fourteen thousand, four hundred forty-five".
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