Base | Representation |
---|---|
bin | 10011001100010101110000 |
3 | 100110121121201 |
4 | 103030111300 |
5 | 2242000110 |
6 | 255500544 |
7 | 60523312 |
oct | 23142560 |
9 | 10417551 |
10 | 5031280 |
11 | 2927091 |
12 | 1827754 |
13 | 10720b7 |
14 | 94d7b2 |
15 | 695b3a |
hex | 4cc570 |
5031280 has 40 divisors (see below), whose sum is σ = 11901024. Its totient is φ = 1977600.
The previous prime is 5031253. The next prime is 5031281. The reversal of 5031280 is 821305.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5031281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365 + ... + 5395.
Almost surely, 25031280 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 5031280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5950512).
5031280 is an abundant number, since it is smaller than the sum of its proper divisors (6869744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5031280 is a wasteful number, since it uses less digits than its factorization.
5031280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1105 (or 1099 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 5031280 is about 2243.0514929444. The cubic root of 5031280 is about 171.3534406227.
Adding to 5031280 its reverse (821305), we get a palindrome (5852585).
The spelling of 5031280 in words is "five million, thirty-one thousand, two hundred eighty".
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