Base | Representation |
---|---|
bin | 1011011100001… |
… | …1101110110000 |
3 | 10100022000122201 |
4 | 2313003232300 |
5 | 44241101012 |
6 | 4432312544 |
7 | 1121613430 |
oct | 267035660 |
9 | 110260581 |
10 | 47987632 |
11 | 250a6900 |
12 | 140a2754 |
13 | 9c32464 |
14 | 65322c0 |
15 | 432d857 |
hex | 2dc3bb0 |
47987632 has 60 divisors (see below), whose sum is σ = 116829328. Its totient is φ = 18691200.
The previous prime is 47987629. The next prime is 47987633. The reversal of 47987632 is 23678974.
It is not an unprimeable number, because it can be changed into a prime (47987633) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11782 + ... + 15322.
Almost surely, 247987632 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 47987632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58414664).
47987632 is an abundant number, since it is smaller than the sum of its proper divisors (68841696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47987632 is a wasteful number, since it uses less digits than its factorization.
47987632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3578 (or 3561 counting only the distinct ones).
The product of its digits is 508032, while the sum is 46.
The square root of 47987632 is about 6927.3105892547. The cubic root of 47987632 is about 363.3929017914.
The spelling of 47987632 in words is "forty-seven million, nine hundred eighty-seven thousand, six hundred thirty-two".
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