Base | Representation |
---|---|
bin | 111010110101… |
… | …1100010000010 |
3 | 2011001022002021 |
4 | 1311223202002 |
5 | 30344133104 |
6 | 3021112054 |
7 | 523133140 |
oct | 165534202 |
9 | 64038067 |
10 | 30849154 |
11 | 16460476 |
12 | a3b862a |
13 | 651164b |
14 | 4150590 |
15 | 2a95754 |
hex | 1d6b882 |
30849154 has 16 divisors (see below), whose sum is σ = 54590976. Its totient is φ = 12794400.
The previous prime is 30849139. The next prime is 30849163. The reversal of 30849154 is 45194803.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35107 + ... + 35974.
It is an arithmetic number, because the mean of its divisors is an integer number (3411936).
Almost surely, 230849154 is an apocalyptic number.
30849154 is a deficient number, since it is larger than the sum of its proper divisors (23741822).
30849154 is a wasteful number, since it uses less digits than its factorization.
30849154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71121.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 30849154 is about 5554.2014727592. The cubic root of 30849154 is about 313.6277045950.
The spelling of 30849154 in words is "thirty million, eight hundred forty-nine thousand, one hundred fifty-four".
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