Base | Representation |
---|---|
bin | 111010101001… |
… | …1110010101010 |
3 | 2010212100200210 |
4 | 1311103302222 |
5 | 30333030124 |
6 | 3015041550 |
7 | 522246504 |
oct | 165236252 |
9 | 63770623 |
10 | 30751914 |
11 | 163a4406 |
12 | a3702b6 |
13 | 64a92cb |
14 | 4126d74 |
15 | 2a76a29 |
hex | 1d53caa |
30751914 has 8 divisors (see below), whose sum is σ = 61503840. Its totient is φ = 10250636.
The previous prime is 30751909. The next prime is 30751939. The reversal of 30751914 is 41915703.
It is a sphenic number, since it is the product of 3 distinct primes.
30751914 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562654 + ... + 2562665.
It is an arithmetic number, because the mean of its divisors is an integer number (7687980).
Almost surely, 230751914 is an apocalyptic number.
30751914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30751914 is a wasteful number, since it uses less digits than its factorization.
30751914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5125324.
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 30751914 is about 5545.4408300874. The cubic root of 30751914 is about 313.2978278263.
The spelling of 30751914 in words is "thirty million, seven hundred fifty-one thousand, nine hundred fourteen".
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