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5242747427 = 31657165611
BaseRepresentation
bin1001110000111110…
…11111101000100011
3111112101011011102122
410320133133220203
541214120404202
62224122134455
7243630421631
oct47037375043
914471134378
105242747427
112250437815
12102395142b
13657232118
1437a410351
1520a4069a2
hex1387dfa23

5242747427 has 4 divisors (see below), whose sum is σ = 5242944696. Its totient is φ = 5242550160.

The previous prime is 5242747421. The next prime is 5242747441. The reversal of 5242747427 is 7247472425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5242747427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242747421) 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 3 ways as a sum of consecutive naturals, for example, 51149 + ... + 114462.

It is an arithmetic number, because the mean of its divisors is an integer number (1310736174).

Almost surely, 25242747427 is an apocalyptic number.

5242747427 is a deficient number, since it is larger than the sum of its proper divisors (197269).

5242747427 is a wasteful number, since it uses less digits than its factorization.

5242747427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197268.

The product of its digits is 878080, while the sum is 44.

The square root of 5242747427 is about 72406.8189261205. The cubic root of 5242747427 is about 1737.2126318180.

The spelling of 5242747427 in words is "five billion, two hundred forty-two million, seven hundred forty-seven thousand, four hundred twenty-seven".

Divisors: 1 31657 165611 5242747427