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5257361289 = 31752453763
BaseRepresentation
bin1001110010101110…
…01111011110001001
3111120101122121212210
410321113033132021
541231341030124
62225403255333
7244165555635
oct47127173611
914511577783
105257361289
112258709394
12102881a549
1365a27aa8b
1437c335dc5
1520b841a29
hex1395cf789

5257361289 has 4 divisors (see below), whose sum is σ = 7009815056. Its totient is φ = 3504907524.

The previous prime is 5257361287. The next prime is 5257361323. The reversal of 5257361289 is 9821637525.

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 not a de Polignac number, because 5257361289 - 21 = 5257361287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257361287) 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, 876226879 + ... + 876226884.

It is an arithmetic number, because the mean of its divisors is an integer number (1752453764).

Almost surely, 25257361289 is an apocalyptic number.

It is an amenable number.

5257361289 is a deficient number, since it is larger than the sum of its proper divisors (1752453767).

5257361289 is a wasteful number, since it uses less digits than its factorization.

5257361289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752453766.

The product of its digits is 907200, while the sum is 48.

The square root of 5257361289 is about 72507.6636570232. The cubic root of 5257361289 is about 1738.8252617000.

The spelling of 5257361289 in words is "five billion, two hundred fifty-seven million, three hundred sixty-one thousand, two hundred eighty-nine".

Divisors: 1 3 1752453763 5257361289