Base | Representation |
---|---|
bin | 111010010101… |
… | …1100011110100 |
3 | 2010112222122110 |
4 | 1310223203310 |
5 | 30312241444 |
6 | 3011331020 |
7 | 520662201 |
oct | 164534364 |
9 | 63488573 |
10 | 30587124 |
11 | 162a1617 |
12 | a2b0a70 |
13 | 644c2b9 |
14 | 40c2ca8 |
15 | 2a42cb9 |
hex | 1d2b8f4 |
30587124 has 12 divisors (see below), whose sum is σ = 71369984. Its totient is φ = 10195704.
The previous prime is 30587101. The next prime is 30587213. The reversal of 30587124 is 42178503.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 30587091 and 30587100.
It is a congruent 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, 1274452 + ... + 1274475.
Almost surely, 230587124 is an apocalyptic number.
It is an amenable number.
30587124 is an abundant number, since it is smaller than the sum of its proper divisors (40782860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30587124 is a wasteful number, since it uses less digits than its factorization.
30587124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2548934 (or 2548932 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 30587124 is about 5530.5627200132. The cubic root of 30587124 is about 312.7372031587.
The spelling of 30587124 in words is "thirty million, five hundred eighty-seven thousand, one hundred twenty-four".
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