Base | Representation |
---|---|
bin | 111010101111… |
… | …1011100110110 |
3 | 2010221210012112 |
4 | 1311133130312 |
5 | 30341042140 |
6 | 3020051022 |
7 | 522535646 |
oct | 165373466 |
9 | 63853175 |
10 | 30799670 |
11 | 16427280 |
12 | a393a72 |
13 | 64c4c75 |
14 | 413a526 |
15 | 2a85c65 |
hex | 1d5f736 |
30799670 has 32 divisors (see below), whose sum is σ = 60811776. Its totient is φ = 11138400.
The previous prime is 30799663. The next prime is 30799673. The reversal of 30799670 is 7699703.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30799673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22547 + ... + 23873.
It is an arithmetic number, because the mean of its divisors is an integer number (1900368).
Almost surely, 230799670 is an apocalyptic number.
30799670 is a deficient number, since it is larger than the sum of its proper divisors (30012106).
30799670 is a wasteful number, since it uses less digits than its factorization.
30799670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1556.
The product of its (nonzero) digits is 71442, while the sum is 41.
The square root of 30799670 is about 5549.7450391887. The cubic root of 30799670 is about 313.4599219404.
The spelling of 30799670 in words is "thirty million, seven hundred ninety-nine thousand, six hundred seventy".
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