Base | Representation |
---|---|
bin | 1001011110011001… |
… | …0011110111001100 |
3 | 20120020212020020112 |
4 | 2113212103313030 |
5 | 20202102334234 |
6 | 1100213535152 |
7 | 120012364322 |
oct | 22746236714 |
9 | 6506766215 |
10 | 2543402444 |
11 | 10957589a0 |
12 | 5ab9444b8 |
13 | 316c1787b |
14 | 1a1b0bd12 |
15 | ed450ace |
hex | 97993dcc |
2543402444 has 48 divisors (see below), whose sum is σ = 4947868800. Its totient is φ = 1134201600.
The previous prime is 2543402429. The next prime is 2543402461. The reversal of 2543402444 is 4442043452.
It is a self number, because there is not a number n which added to its sum of digits gives 2543402444.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2520212 + ... + 2521220.
It is an arithmetic number, because the mean of its divisors is an integer number (103080600).
Almost surely, 22543402444 is an apocalyptic number.
It is an amenable number.
2543402444 is a deficient number, since it is larger than the sum of its proper divisors (2404466356).
2543402444 is a wasteful number, since it uses less digits than its factorization.
2543402444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2054 (or 2052 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 32.
The square root of 2543402444 is about 50432.1568446165. The cubic root of 2543402444 is about 1365.0179469613.
Adding to 2543402444 its reverse (4442043452), we get a palindrome (6985445896).
The spelling of 2543402444 in words is "two billion, five hundred forty-three million, four hundred two thousand, four hundred forty-four".
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