Base | Representation |
---|---|
bin | 111001011010… |
… | …1001110000110 |
3 | 2002122100201221 |
4 | 1302311032012 |
5 | 30201234111 |
6 | 2553110554 |
7 | 513603055 |
oct | 162651606 |
9 | 62570657 |
10 | 30102406 |
11 | 15aa0424 |
12 | a0b845a |
13 | 630c799 |
14 | 3dd839c |
15 | 2999371 |
hex | 1cb5386 |
30102406 has 16 divisors (see below), whose sum is σ = 46902240. Its totient is φ = 14472640.
The previous prime is 30102383. The next prime is 30102407. The reversal of 30102406 is 60420103.
It is a self number, because there is not a number n which added to its sum of digits gives 30102406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30102407) 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 7 ways as a sum of consecutive naturals, for example, 15375 + ... + 17221.
It is an arithmetic number, because the mean of its divisors is an integer number (2931390).
Almost surely, 230102406 is an apocalyptic number.
30102406 is a deficient number, since it is larger than the sum of its proper divisors (16799834).
30102406 is a wasteful number, since it uses less digits than its factorization.
30102406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2159.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 30102406 is about 5486.5659569534. The cubic root of 30102406 is about 311.0764037907.
Adding to 30102406 its reverse (60420103), we get a palindrome (90522509).
The spelling of 30102406 in words is "thirty million, one hundred two thousand, four hundred six".
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