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5260031240 = 235131500781
BaseRepresentation
bin1001110011000010…
…11011010100001000
3111120120200021100212
410321201123110020
541233031444430
62225540420252
7244230346022
oct47141332410
914516607325
105260031240
11225a172362
1210296a7688
1365a9a4129
1437c82d012
1520bbbcb95
hex13985b508

5260031240 has 16 divisors (see below), whose sum is σ = 11835070380. Its totient is φ = 2104012480.

The previous prime is 5260031233. The next prime is 5260031267. The reversal of 5260031240 is 421300625.

It can be written as a sum of positive squares in 2 ways, for example, as 4512883684 + 747147556 = 67178^2 + 27334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65750351 + ... + 65750430.

Almost surely, 25260031240 is an apocalyptic number.

It is an amenable number.

5260031240 is an abundant number, since it is smaller than the sum of its proper divisors (6575039140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5260031240 is a wasteful number, since it uses less digits than its factorization.

5260031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131500792 (or 131500788 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5260031240 is about 72526.0728290178. The cubic root of 5260031240 is about 1739.1195660288.

Adding to 5260031240 its reverse (421300625), we get a palindrome (5681331865).

The spelling of 5260031240 in words is "five billion, two hundred sixty million, thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 131500781 263001562 526003124 657503905 1052006248 1315007810 2630015620 5260031240