Base | Representation |
---|---|
bin | 1001011011001… |
… | …1000011000000 |
3 | 2202101100220120 |
4 | 2112303003000 |
5 | 40104440223 |
6 | 3531140240 |
7 | 660001551 |
oct | 226630300 |
9 | 82340816 |
10 | 39530688 |
11 | 2034aa9a |
12 | 112a4680 |
13 | 8261052 |
14 | 5370328 |
15 | 370cbe3 |
hex | 25b30c0 |
39530688 has 56 divisors (see below), whose sum is σ = 105168192. Its totient is φ = 13104384.
The previous prime is 39530669. The next prime is 39530719. The reversal of 39530688 is 88603593.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43131 + ... + 44037.
Almost surely, 239530688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39530688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52584096).
39530688 is an abundant number, since it is smaller than the sum of its proper divisors (65637504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39530688 is a wasteful number, since it uses less digits than its factorization.
39530688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1149 (or 1139 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 39530688 is about 6287.3434771770. The cubic root of 39530688 is about 340.6524036309.
The spelling of 39530688 in words is "thirty-nine million, five hundred thirty thousand, six hundred eighty-eight".
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