Base | Representation |
---|---|
bin | 111001100000… |
… | …1100110111010 |
3 | 2002201221100012 |
4 | 1303001212322 |
5 | 30204400041 |
6 | 2554141522 |
7 | 514204022 |
oct | 163014672 |
9 | 62657305 |
10 | 30153146 |
11 | 16025561 |
12 | a1218a2 |
13 | 63298ca |
14 | 400ca82 |
15 | 29a93eb |
hex | 1cc19ba |
30153146 has 16 divisors (see below), whose sum is σ = 46116648. Its totient is φ = 14784000.
The previous prime is 30153143. The next prime is 30153181. The reversal of 30153146 is 64135103.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 29278921 + 874225 = 5411^2 + 935^2 .
It is not an unprimeable number, because it can be changed into a prime (30153143) 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, 22166 + ... + 23486.
Almost surely, 230153146 is an apocalyptic number.
30153146 is a deficient number, since it is larger than the sum of its proper divisors (15963502).
30153146 is a wasteful number, since it uses less digits than its factorization.
30153146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1537.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 30153146 is about 5491.1880317469. The cubic root of 30153146 is about 311.2510870217.
Adding to 30153146 its reverse (64135103), we get a palindrome (94288249).
It can be divided in two parts, 3015 and 3146, that multiplied together give a triangular number (9485190 = T4355).
The spelling of 30153146 in words is "thirty million, one hundred fifty-three thousand, one hundred forty-six".
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