Base | Representation |
---|---|
bin | 111001101111… |
… | …0010010100010 |
3 | 2002221220111022 |
4 | 1303132102202 |
5 | 30222130001 |
6 | 3000445442 |
7 | 515203361 |
oct | 163362242 |
9 | 62856438 |
10 | 30270626 |
11 | 160a5851 |
12 | a179882 |
13 | 636b219 |
14 | 403d7d8 |
15 | 29ce11b |
hex | 1cde4a2 |
30270626 has 8 divisors (see below), whose sum is σ = 45637020. Its totient is φ = 15058288.
The previous prime is 30270623. The next prime is 30270671. The reversal of 30270626 is 62607203.
It can be written as a sum of positive squares in 2 ways, for example, as 18361225 + 11909401 = 4285^2 + 3451^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30270595 and 30270604.
It is not an unprimeable number, because it can be changed into a prime (30270623) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 38021 + ... + 38808.
Almost surely, 230270626 is an apocalyptic number.
30270626 is a deficient number, since it is larger than the sum of its proper divisors (15366394).
30270626 is a wasteful number, since it uses less digits than its factorization.
30270626 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77028.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 30270626 is about 5501.8747713848. The cubic root of 30270626 is about 311.6547861041.
Adding to 30270626 its reverse (62607203), we get a palindrome (92877829).
The spelling of 30270626 in words is "thirty million, two hundred seventy thousand, six hundred twenty-six".
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