Base | Representation |
---|---|
bin | 111011000100… |
… | …0010001110111 |
3 | 2011021021121100 |
4 | 1312020101313 |
5 | 30411420103 |
6 | 3023421143 |
7 | 524133342 |
oct | 166102167 |
9 | 64237540 |
10 | 30966903 |
11 | 16530990 |
12 | a4547b3 |
13 | 6553116 |
14 | 4181459 |
15 | 2aba5a3 |
hex | 1d88477 |
30966903 has 48 divisors (see below), whose sum is σ = 52191360. Its totient is φ = 17496000.
The previous prime is 30966889. The next prime is 30966907.
30966903 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 30966903 - 26 = 30966839 is a prime.
It is a super-2 number, since 2×309669032 = 1917898162822818, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30966907) 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 47 ways as a sum of consecutive naturals, for example, 189900 + ... + 190062.
It is an arithmetic number, because the mean of its divisors is an integer number (1087320).
Almost surely, 230966903 is an apocalyptic number.
30966903 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30966903 is a deficient number, since it is larger than the sum of its proper divisors (21224457).
30966903 is a wasteful number, since it uses less digits than its factorization.
30966903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300 (or 297 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 36.
The square root of 30966903 is about 5564.7913707524. The cubic root of 30966903 is about 314.0262294343.
It can be divided in two parts, 3096 and 6903, that added together give a palindrome (9999).
The spelling of 30966903 in words is "thirty million, nine hundred sixty-six thousand, nine hundred three".
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