Base | Representation |
---|---|
bin | 1001101001101111000101 |
3 | 11202112211210 |
4 | 21221233011 |
5 | 1121431440 |
6 | 130122033 |
7 | 30335544 |
oct | 11515705 |
9 | 4675753 |
10 | 2530245 |
11 | 1479013 |
12 | a20319 |
13 | 6a78b3 |
14 | 49c15b |
15 | 34ea80 |
hex | 269bc5 |
2530245 has 32 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 1271808.
The previous prime is 2530243. The next prime is 2530247. The reversal of 2530245 is 5420352.
It is an interprime number because it is at equal distance from previous prime (2530243) and next prime (2530247).
It is not a de Polignac number, because 2530245 - 21 = 2530243 is a prime.
It is a d-powerful number, because it can be written as 215 + 53 + 39 + 0 + 219 + 44 + 59 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2530243) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26037 + ... + 26133.
It is an arithmetic number, because the mean of its divisors is an integer number (134064).
22530245 is an apocalyptic number.
It is an amenable number.
2530245 is a deficient number, since it is larger than the sum of its proper divisors (1759803).
2530245 is a wasteful number, since it uses less digits than its factorization.
2530245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 2530245 is about 1590.6743852844. The cubic root of 2530245 is about 136.2660054704.
Adding to 2530245 its reverse (5420352), we get a palindrome (7950597).
It can be divided in two parts, 2530 and 245, that added together give a triangular number (2775 = T74).
The spelling of 2530245 in words is "two million, five hundred thirty thousand, two hundred forty-five".
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