Base | Representation |
---|---|
bin | 111010111111… |
… | …0100000100110 |
3 | 2011012020201020 |
4 | 1311332200212 |
5 | 30404130021 |
6 | 3022512010 |
7 | 523605564 |
oct | 165764046 |
9 | 64166636 |
10 | 30926886 |
11 | 16503911 |
12 | a435606 |
13 | 653ab43 |
14 | 4170a34 |
15 | 2aad7c6 |
hex | 1d7e826 |
30926886 has 16 divisors (see below), whose sum is σ = 61932864. Its totient is φ = 10295784.
The previous prime is 30926869. The next prime is 30926891. The reversal of 30926886 is 68862903.
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, 2601 + ... + 8283.
It is an arithmetic number, because the mean of its divisors is an integer number (3870804).
Almost surely, 230926886 is an apocalyptic number.
30926886 is an abundant number, since it is smaller than the sum of its proper divisors (31005978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30926886 is a wasteful number, since it uses less digits than its factorization.
30926886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6595.
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 30926886 is about 5561.1946558271. The cubic root of 30926886 is about 313.8909042616.
The spelling of 30926886 in words is "thirty million, nine hundred twenty-six thousand, eight hundred eighty-six".
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