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5291747238 = 234871181063
BaseRepresentation
bin1001110110110100…
…11010011110100110
3111122210100121112110
410323122122132212
541314141402423
62233032301450
7245064052341
oct47332323646
914583317473
105291747238
112276065028
121038241886
1366442a1ab
14382b27458
1520e885193
hex13b69a7a6

5291747238 has 16 divisors (see below), whose sum is σ = 10585725696. Its totient is φ = 1763543880.

The previous prime is 5291747207. The next prime is 5291747239. The reversal of 5291747238 is 8327471925.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291747239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61306 + ... + 119757.

It is an arithmetic number, because the mean of its divisors is an integer number (661607856).

Almost surely, 25291747238 is an apocalyptic number.

5291747238 is an abundant number, since it is smaller than the sum of its proper divisors (5293978458).

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

5291747238 is a wasteful number, since it uses less digits than its factorization.

5291747238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185939.

The product of its digits is 846720, while the sum is 48.

The square root of 5291747238 is about 72744.3966089485. The cubic root of 5291747238 is about 1742.6079751017.

The spelling of 5291747238 in words is "five billion, two hundred ninety-one million, seven hundred forty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 4871 9742 14613 29226 181063 362126 543189 1086378 881957873 1763915746 2645873619 5291747238