Base | Representation |
---|---|
bin | 111001110100… |
… | …0110011011001 |
3 | 2010001002120020 |
4 | 1303220303121 |
5 | 30230014224 |
6 | 3001421053 |
7 | 515443050 |
oct | 163506331 |
9 | 63032506 |
10 | 30313689 |
11 | 1612513a |
12 | a19a789 |
13 | 63849c3 |
14 | 4051397 |
15 | 29dbc79 |
hex | 1ce8cd9 |
30313689 has 8 divisors (see below), whose sum is σ = 46192320. Its totient is φ = 17322096.
The previous prime is 30313687. The next prime is 30313697. The reversal of 30313689 is 98631303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30313689 - 21 = 30313687 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30313687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721734 + ... + 721775.
It is an arithmetic number, because the mean of its divisors is an integer number (5774040).
Almost surely, 230313689 is an apocalyptic number.
It is an amenable number.
30313689 is a deficient number, since it is larger than the sum of its proper divisors (15878631).
30313689 is a wasteful number, since it uses less digits than its factorization.
30313689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1443519.
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 30313689 is about 5505.7868647451. The cubic root of 30313689 is about 311.8025028041.
The spelling of 30313689 in words is "thirty million, three hundred thirteen thousand, six hundred eighty-nine".
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