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2542408244 = 221135624797
BaseRepresentation
bin1001011110001010…
…0001001000110100
320120011222201110022
42113202201020310
520201324030434
61100140344312
7120001053635
oct22742411064
96504881408
102542408244
111095139a42
125ab545098
1331695a19c
141a192d88c
15ed30622e
hex978a1234

2542408244 has 12 divisors (see below), whose sum is σ = 4488588804. Its totient is φ = 1259954304.

The previous prime is 2542408241. The next prime is 2542408261. The reversal of 2542408244 is 4428042452.

It can be written as a sum of positive squares in 2 ways, for example, as 989102500 + 1553305744 = 31450^2 + 39412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542408241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811947 + ... + 2812850.

It is an arithmetic number, because the mean of its divisors is an integer number (374049067).

Almost surely, 22542408244 is an apocalyptic number.

It is an amenable number.

2542408244 is a deficient number, since it is larger than the sum of its proper divisors (1946180560).

2542408244 is a wasteful number, since it uses less digits than its factorization.

2542408244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624914 (or 5624912 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

The square root of 2542408244 is about 50422.2990749133. The cubic root of 2542408244 is about 1364.8400648082.

The spelling of 2542408244 in words is "two billion, five hundred forty-two million, four hundred eight thousand, two hundred forty-four".

Divisors: 1 2 4 113 226 452 5624797 11249594 22499188 635602061 1271204122 2542408244