Base | Representation |
---|---|
bin | 1110110110100110… |
… | …1011010000000000 |
3 | 101021212110221121111 |
4 | 3231221223100000 |
5 | 31131201001443 |
6 | 1455345533104 |
7 | 200543001601 |
oct | 35551532000 |
9 | 11255427544 |
10 | 3987125248 |
11 | 17666a0237 |
12 | 933344194 |
13 | 4b7064512 |
14 | 29b761da8 |
15 | 18508069d |
hex | eda6b400 |
3987125248 has 88 divisors (see below), whose sum is σ = 8138986632. Its totient is φ = 1951924224.
The previous prime is 3987125227. The next prime is 3987125251. The reversal of 3987125248 is 8425217893.
It can be written as a sum of positive squares in 4 ways, for example, as 1602561024 + 2384564224 = 40032^2 + 48832^2 .
It is a congruent number.
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, 13607790 + ... + 13608082.
Almost surely, 23987125248 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 3987125248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4069493316).
3987125248 is an abundant number, since it is smaller than the sum of its proper divisors (4151861384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3987125248 is a wasteful number, since it uses less digits than its factorization.
3987125248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547 (or 529 counting only the distinct ones).
The product of its digits is 967680, while the sum is 49.
The square root of 3987125248 is about 63143.6873171024. The cubic root of 3987125248 is about 1585.6961051881.
The spelling of 3987125248 in words is "three billion, nine hundred eighty-seven million, one hundred twenty-five thousand, two hundred forty-eight".
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