Base | Representation |
---|---|
bin | 10011110111010011001000 |
3 | 100210112222202 |
4 | 103313103020 |
5 | 2313112430 |
6 | 303335332 |
7 | 62155313 |
oct | 23672310 |
9 | 10715882 |
10 | 5207240 |
11 | 2a37305 |
12 | 18b1548 |
13 | 110420c |
14 | 99797a |
15 | 6ccd45 |
hex | 4f74c8 |
5207240 has 48 divisors (see below), whose sum is σ = 12303900. Its totient is φ = 1981056.
The previous prime is 5207239. The next prime is 5207243. The reversal of 5207240 is 427025.
It can be written as a sum of positive squares in 2 ways, for example, as 5189284 + 17956 = 2278^2 + 134^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (5207243) 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, 77687 + ... + 77753.
Almost surely, 25207240 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 5207240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6151950).
5207240 is an abundant number, since it is smaller than the sum of its proper divisors (7096660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5207240 is a wasteful number, since it uses less digits than its factorization.
5207240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174 (or 103 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 5207240 is about 2281.9377730341. The cubic root of 5207240 is about 173.3281885389.
The spelling of 5207240 in words is "five million, two hundred seven thousand, two hundred forty".
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