Base | Representation |
---|---|
bin | 111001011110… |
… | …0001101011000 |
3 | 2002200211000011 |
4 | 1302330031120 |
5 | 30203143112 |
6 | 2553451304 |
7 | 514052401 |
oct | 162741530 |
9 | 62624004 |
10 | 30131032 |
11 | 1600a988 |
12 | a110b34 |
13 | 631c819 |
14 | 40049a8 |
15 | 29a2aa7 |
hex | 1cbc358 |
30131032 has 16 divisors (see below), whose sum is σ = 56555640. Its totient is φ = 15049536.
The previous prime is 30130999. The next prime is 30131033. The reversal of 30131032 is 23013103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30131033) 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, 10948 + ... + 13420.
Almost surely, 230131032 is an apocalyptic number.
It is an amenable number.
30131032 is a deficient number, since it is larger than the sum of its proper divisors (26424608).
30131032 is a wasteful number, since it uses less digits than its factorization.
30131032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4002 (or 3998 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 30131032 is about 5489.1740726634. The cubic root of 30131032 is about 311.1749789890.
Adding to 30131032 its reverse (23013103), we get a palindrome (53144135).
It can be divided in two parts, 3013103 and 2, that multiplied together give a palindrome (6026206).
The spelling of 30131032 in words is "thirty million, one hundred thirty-one thousand, thirty-two".
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