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2540030425 = 52432362819
BaseRepresentation
bin1001011101100101…
…1100100111011001
320120000111220200221
42113121130213121
520200221433200
61100013400041
7116641621342
oct22731344731
96500456627
102540030425
1110938654a9
125aa799021
13316306aaa
141a14b10c9
15eced691a
hex9765c9d9

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".

Divisors: 1 5 25 43 215 1075 2362819 11814095 59070475 101601217 508006085 2540030425