Base | Representation |
---|---|
bin | 1001101001101101100011 |
3 | 11202112201011 |
4 | 21221231203 |
5 | 1121431042 |
6 | 130121351 |
7 | 30335344 |
oct | 11515543 |
9 | 4675634 |
10 | 2530147 |
11 | 1478a34 |
12 | a20257 |
13 | 6a7839 |
14 | 49c0cb |
15 | 34ea17 |
hex | 269b63 |
2530147 has 4 divisors (see below), whose sum is σ = 2541240. Its totient is φ = 2519056.
The previous prime is 2530141. The next prime is 2530153. The reversal of 2530147 is 7410352.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (2530141) and next prime (2530153).
It is a cyclic number.
It is not a de Polignac number, because 2530147 - 23 = 2530139 is a prime.
It is an Ulam number.
It is a Duffinian number.
2530147 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2530141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5197 + ... + 5662.
It is an arithmetic number, because the mean of its divisors is an integer number (635310).
22530147 is an apocalyptic number.
2530147 is a deficient number, since it is larger than the sum of its proper divisors (11093).
2530147 is a wasteful number, since it uses less digits than its factorization.
2530147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11092.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 2530147 is about 1590.6435804416. The cubic root of 2530147 is about 136.2642461887.
Subtracting from 2530147 its sum of digits (22), we obtain a triangular number (2530125 = T2249).
Adding to 2530147 its reverse (7410352), we get a palindrome (9940499).
The spelling of 2530147 in words is "two million, five hundred thirty thousand, one hundred forty-seven".
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