Base | Representation |
---|---|
bin | 111011000001… |
… | …0101100010010 |
3 | 2011020010012202 |
4 | 1312002230102 |
5 | 30410202033 |
6 | 3023123202 |
7 | 524006540 |
oct | 166025422 |
9 | 64203182 |
10 | 30944018 |
11 | 16515776 |
12 | a443502 |
13 | 6545891 |
14 | 4176d90 |
15 | 2ab38e8 |
hex | 1d82b12 |
30944018 has 8 divisors (see below), whose sum is σ = 53046912. Its totient is φ = 13261716.
The previous prime is 30944009. The next prime is 30944021. The reversal of 30944018 is 81044903.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 1105130 + ... + 1105157.
It is an arithmetic number, because the mean of its divisors is an integer number (6630864).
Almost surely, 230944018 is an apocalyptic number.
30944018 is a deficient number, since it is larger than the sum of its proper divisors (22102894).
30944018 is a wasteful number, since it uses less digits than its factorization.
30944018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2210296.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 30944018 is about 5562.7347590911. The cubic root of 30944018 is about 313.9488536922.
The spelling of 30944018 in words is "thirty million, nine hundred forty-four thousand, eighteen".
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