Base | Representation |
---|---|
bin | 111010001001… |
… | …0100111010101 |
3 | 2010100210111012 |
4 | 1310102213111 |
5 | 30301004244 |
6 | 3005222005 |
7 | 520055255 |
oct | 164224725 |
9 | 63323435 |
10 | 30484949 |
11 | 16231880 |
12 | a261905 |
13 | 6414941 |
14 | 4097965 |
15 | 2a2289e |
hex | 1d129d5 |
30484949 has 8 divisors (see below), whose sum is σ = 35006880. Its totient is φ = 26254800.
The previous prime is 30484943. The next prime is 30484957. The reversal of 30484949 is 94948403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30484949 - 220 = 29436373 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30484943) 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, 72722 + ... + 73139.
It is an arithmetic number, because the mean of its divisors is an integer number (4375860).
Almost surely, 230484949 is an apocalyptic number.
It is an amenable number.
30484949 is a deficient number, since it is larger than the sum of its proper divisors (4521931).
30484949 is a wasteful number, since it uses less digits than its factorization.
30484949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145891.
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 30484949 is about 5521.3176869295. The cubic root of 30484949 is about 312.3885862030.
It can be divided in two parts, 3048 and 4949, that added together give a palindrome (7997).
The spelling of 30484949 in words is "thirty million, four hundred eighty-four thousand, nine hundred forty-nine".
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