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2542525405 = 57443163981
BaseRepresentation
bin1001011110001011…
…1101101111011101
320120012012200011121
42113202331233131
520201341303110
61100143050541
7120002052340
oct22742755735
96505180147
102542525405
111095209a72
125ab5a0a51
1331699b604
141a1960457
15ed32acda
hex978bdbdd

2542525405 has 16 divisors (see below), whose sum is σ = 3494784384. Its totient is φ = 1739499840.

The previous prime is 2542525397. The next prime is 2542525417. The reversal of 2542525405 is 5045252452.

It is not a de Polignac number, because 2542525405 - 23 = 2542525397 is a prime.

It is a congruent number.

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, 66486 + ... + 97495.

It is an arithmetic number, because the mean of its divisors is an integer number (218424024).

Almost surely, 22542525405 is an apocalyptic number.

It is an amenable number.

2542525405 is a deficient number, since it is larger than the sum of its proper divisors (952258979).

2542525405 is a wasteful number, since it uses less digits than its factorization.

2542525405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164436.

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 2542525405 is about 50423.4608590089. The cubic root of 2542525405 is about 1364.8610296514.

Adding to 2542525405 its reverse (5045252452), we get a palindrome (7587777857).

The spelling of 2542525405 in words is "two billion, five hundred forty-two million, five hundred twenty-five thousand, four hundred five".

Divisors: 1 5 7 35 443 2215 3101 15505 163981 819905 1147867 5739335 72643583 363217915 508505081 2542525405