Base | Representation |
---|---|
bin | 1001011101100101… |
… | …1100100111011001 |
3 | 20120000111220200221 |
4 | 2113121130213121 |
5 | 20200221433200 |
6 | 1100013400041 |
7 | 116641621342 |
oct | 22731344731 |
9 | 6500456627 |
10 | 2540030425 |
11 | 10938654a9 |
12 | 5aa799021 |
13 | 316306aaa |
14 | 1a14b10c9 |
15 | eced691a |
hex | 9765c9d9 |
2540030425 has 12 divisors (see below), whose sum is σ = 3222886480. Its totient is φ = 1984767120.
The previous prime is 2540030411. The next prime is 2540030443. The reversal of 2540030425 is 5240300452.
It is not a de Polignac number, because 2540030425 - 29 = 2540029913 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 2540030425.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1180335 + ... + 1182484.
Almost surely, 22540030425 is an apocalyptic number.
2540030425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2540030425 is a deficient number, since it is larger than the sum of its proper divisors (682856055).
2540030425 is a wasteful number, since it uses less digits than its factorization.
2540030425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2362872 (or 2362867 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 2540030425 is about 50398.7145173367. The cubic root of 2540030425 is about 1364.4144375287.
Adding to 2540030425 its reverse (5240300452), we get a palindrome (7780330877).
The spelling of 2540030425 in words is "two billion, five hundred forty million, thirty thousand, four hundred twenty-five".
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