Base | Representation |
---|---|
bin | 111010100011… |
… | …0010000101010 |
3 | 2010202112200001 |
4 | 1311012100222 |
5 | 30324241430 |
6 | 3013533214 |
7 | 521626066 |
oct | 165062052 |
9 | 63675601 |
10 | 30696490 |
11 | 16366800 |
12 | a34420a |
13 | 648a006 |
14 | 4110aa6 |
15 | 2a653ca |
hex | 1d4642a |
30696490 has 48 divisors (see below), whose sum is σ = 63431424. Its totient is φ = 10667360.
The previous prime is 30696473. The next prime is 30696503. The reversal of 30696490 is 9469603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27279 + ... + 28381.
It is an arithmetic number, because the mean of its divisors is an integer number (1321488).
Almost surely, 230696490 is an apocalyptic number.
30696490 is an abundant number, since it is smaller than the sum of its proper divisors (32734934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30696490 is a wasteful number, since it uses less digits than its factorization.
30696490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1155 (or 1144 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 37.
The square root of 30696490 is about 5540.4413181623. The cubic root of 30696490 is about 313.1094963393.
It can be divided in two parts, 3069 and 6490, that added together give a palindrome (9559).
The spelling of 30696490 in words is "thirty million, six hundred ninety-six thousand, four hundred ninety".
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