Base | Representation |
---|---|
bin | 111001100010… |
… | …0111010001110 |
3 | 2002202121220002 |
4 | 1303010322032 |
5 | 30210313140 |
6 | 2554324302 |
7 | 514261322 |
oct | 163047216 |
9 | 62677802 |
10 | 30166670 |
11 | 16034736 |
12 | a129692 |
13 | 6332b01 |
14 | 4013982 |
15 | 29ad415 |
hex | 1cc4e8e |
30166670 has 48 divisors (see below), whose sum is σ = 59827248. Its totient is φ = 10913280.
The previous prime is 30166667. The next prime is 30166679. The reversal of 30166670 is 7666103.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30166679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142865 + ... + 143075.
It is an arithmetic number, because the mean of its divisors is an integer number (1246401).
Almost surely, 230166670 is an apocalyptic number.
30166670 is a deficient number, since it is larger than the sum of its proper divisors (29660578).
30166670 is a wasteful number, since it uses less digits than its factorization.
30166670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 30166670 is about 5492.4193212099. The cubic root of 30166670 is about 311.2976131845.
The spelling of 30166670 in words is "thirty million, one hundred sixty-six thousand, six hundred seventy".
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