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5242134457 = 7748876351
BaseRepresentation
bin1001110000111010…
…01001111110111001
3111112100000000121001
410320131021332321
541213441300312
62224101045001
7243622256560
oct47035117671
914470000531
105242134457
11225005922a
1210236b6761
13657079111
1437a2d0bd7
1520a335057
hex138749fb9

5242134457 has 4 divisors (see below), whose sum is σ = 5991010816. Its totient is φ = 4493258100.

The previous prime is 5242134437. The next prime is 5242134461. The reversal of 5242134457 is 7544312425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5242134457 - 231 = 3094650809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5242134407) 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, 374438169 + ... + 374438182.

It is an arithmetic number, because the mean of its divisors is an integer number (1497752704).

Almost surely, 25242134457 is an apocalyptic number.

It is an amenable number.

5242134457 is a deficient number, since it is larger than the sum of its proper divisors (748876359).

5242134457 is an equidigital number, since it uses as much as digits as its factorization.

5242134457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748876358.

The product of its digits is 134400, while the sum is 37.

The square root of 5242134457 is about 72402.5859828225. The cubic root of 5242134457 is about 1737.1449255409.

The spelling of 5242134457 in words is "five billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred fifty-seven".

Divisors: 1 7 748876351 5242134457