Base | Representation |
---|---|
bin | 111010101011… |
… | …1111010000110 |
3 | 2010220012211020 |
4 | 1311113322012 |
5 | 30334100044 |
6 | 3015252010 |
7 | 522346611 |
oct | 165277206 |
9 | 63805736 |
10 | 30768774 |
11 | 16406043 |
12 | a37a006 |
13 | 64b3b9a |
14 | 412d178 |
15 | 2a7ba19 |
hex | 1d57e86 |
30768774 has 16 divisors (see below), whose sum is σ = 61724208. Its totient is φ = 10225152.
The previous prime is 30768769. The next prime is 30768781. The reversal of 30768774 is 47786703.
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, 5587 + ... + 9630.
It is an arithmetic number, because the mean of its divisors is an integer number (3857763).
Almost surely, 230768774 is an apocalyptic number.
30768774 is an abundant number, since it is smaller than the sum of its proper divisors (30955434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30768774 is a wasteful number, since it uses less digits than its factorization.
30768774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15559.
The product of its (nonzero) digits is 197568, while the sum is 42.
The square root of 30768774 is about 5546.9607894774. The cubic root of 30768774 is about 313.3550734375.
The spelling of 30768774 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred seventy-four".
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