Base | Representation |
---|---|
bin | 111001100101… |
… | …0110101100000 |
3 | 2002210212012010 |
4 | 1303022311200 |
5 | 30212102234 |
6 | 2555032520 |
7 | 514422150 |
oct | 163126540 |
9 | 62725163 |
10 | 30190944 |
11 | 160509a3 |
12 | a13b740 |
13 | 6340b84 |
14 | 401c760 |
15 | 29b56e9 |
hex | 1ccad60 |
30190944 has 48 divisors (see below), whose sum is σ = 90574848. Its totient is φ = 8625792.
The previous prime is 30190907. The next prime is 30190969. The reversal of 30190944 is 44909103.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×301909442 = 1822986199222272, which contains 22 as substring.
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, 21792 + ... + 23135.
It is an arithmetic number, because the mean of its divisors is an integer number (1886976).
Almost surely, 230190944 is an apocalyptic number.
It is an amenable number.
30190944 is an abundant number, since it is smaller than the sum of its proper divisors (60383904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30190944 is a wasteful number, since it uses less digits than its factorization.
30190944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44947 (or 44939 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 30190944 is about 5494.6286498725. The cubic root of 30190944 is about 311.3810873452.
The spelling of 30190944 in words is "thirty million, one hundred ninety thousand, nine hundred forty-four".
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