Base | Representation |
---|---|
bin | 111011000110… |
… | …1010011011010 |
3 | 2011022022211112 |
4 | 1312031103122 |
5 | 30413044412 |
6 | 3024100322 |
7 | 524250341 |
oct | 166152332 |
9 | 64268745 |
10 | 30987482 |
11 | 16545399 |
12 | a4646a2 |
13 | 655c5b6 |
14 | 4188b58 |
15 | 2ac1722 |
hex | 1d8d4da |
30987482 has 8 divisors (see below), whose sum is σ = 46820916. Its totient is φ = 15380512.
The previous prime is 30987443. The next prime is 30987493. The reversal of 30987482 is 28478903.
It can be written as a sum of positive squares in 2 ways, for example, as 30349081 + 638401 = 5509^2 + 799^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 56273 + ... + 56820.
Almost surely, 230987482 is an apocalyptic number.
30987482 is a deficient number, since it is larger than the sum of its proper divisors (15833434).
30987482 is a wasteful number, since it uses less digits than its factorization.
30987482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113232.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 30987482 is about 5566.6400997370. The cubic root of 30987482 is about 314.0957758872.
The spelling of 30987482 in words is "thirty million, nine hundred eighty-seven thousand, four hundred eighty-two".
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