Base | Representation |
---|---|
bin | 111001100101… |
… | …0011000100110 |
3 | 2002210202122121 |
4 | 1303022120212 |
5 | 30212022334 |
6 | 2555020154 |
7 | 514413565 |
oct | 163123046 |
9 | 62722577 |
10 | 30189094 |
11 | 1604a571 |
12 | a13a65a |
13 | 6340090 |
14 | 401bbdc |
15 | 29b4db4 |
hex | 1cca626 |
30189094 has 16 divisors (see below), whose sum is σ = 49244832. Its totient is φ = 13796928.
The previous prime is 30189073. The next prime is 30189101. The reversal of 30189094 is 49098103.
It is a super-2 number, since 2×301890942 = 1822762793081672, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
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, 2959 + ... + 8314.
It is an arithmetic number, because the mean of its divisors is an integer number (3077802).
Almost surely, 230189094 is an apocalyptic number.
30189094 is a deficient number, since it is larger than the sum of its proper divisors (19055738).
30189094 is a wasteful number, since it uses less digits than its factorization.
30189094 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11391.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 30189094 is about 5494.4603010669. The cubic root of 30189094 is about 311.3747270850.
The spelling of 30189094 in words is "thirty million, one hundred eighty-nine thousand, ninety-four".
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