Base | Representation |
---|---|
bin | 111010001001… |
… | …0111011011100 |
3 | 2010100212020212 |
4 | 1310102323130 |
5 | 30301024421 |
6 | 3005231552 |
7 | 520062104 |
oct | 164227334 |
9 | 63325225 |
10 | 30486236 |
11 | 16232840 |
12 | a2625b8 |
13 | 64153c1 |
14 | 4098204 |
15 | 2a22e5b |
hex | 1d12edc |
30486236 has 48 divisors (see below), whose sum is σ = 62868960. Its totient is φ = 12779520.
The previous prime is 30486217. The next prime is 30486251. The reversal of 30486236 is 63268403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39260 + ... + 40028.
It is an arithmetic number, because the mean of its divisors is an integer number (1309770).
Almost surely, 230486236 is an apocalyptic number.
It is an amenable number.
30486236 is an abundant number, since it is smaller than the sum of its proper divisors (32382724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30486236 is a wasteful number, since it uses less digits than its factorization.
30486236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854 (or 852 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 30486236 is about 5521.4342339649. The cubic root of 30486236 is about 312.3929822352.
The spelling of 30486236 in words is "thirty million, four hundred eighty-six thousand, two hundred thirty-six".
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