Base | Representation |
---|---|
bin | 111001011111… |
… | …1100111100010 |
3 | 2002201112011021 |
4 | 1302333213202 |
5 | 30204114434 |
6 | 2554040054 |
7 | 514141165 |
oct | 162774742 |
9 | 62645137 |
10 | 30144994 |
11 | 1601a420 |
12 | a11902a |
13 | 6325c99 |
14 | 4009adc |
15 | 29a6cb4 |
hex | 1cbf9e2 |
30144994 has 8 divisors (see below), whose sum is σ = 49328208. Its totient is φ = 13702260.
The previous prime is 30144991. The next prime is 30145009. The reversal of 30144994 is 49944103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30144991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685092 + ... + 685135.
It is an arithmetic number, because the mean of its divisors is an integer number (6166026).
Almost surely, 230144994 is an apocalyptic number.
30144994 is a deficient number, since it is larger than the sum of its proper divisors (19183214).
30144994 is a wasteful number, since it uses less digits than its factorization.
30144994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370240.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 30144994 is about 5490.4457013980. The cubic root of 30144994 is about 311.2230352494.
It can be divided in two parts, 3014 and 4994, that added together give a palindrome (8008).
The spelling of 30144994 in words is "thirty million, one hundred forty-four thousand, nine hundred ninety-four".
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