Search a number
-
+
713042761 = 5313453637
BaseRepresentation
bin101010100000000…
…010101101001001
31211200201022210011
4222200002231021
52430014332021
6154430551521
723445522604
oct5240025511
91750638704
10713042761
11336548642
1217a9685a1
13b4957bc2
146a9b133b
15428ebde1
hex2a802b49

713042761 has 4 divisors (see below), whose sum is σ = 726496452. Its totient is φ = 699589072.

The previous prime is 713042731. The next prime is 713042777. The reversal of 713042761 is 167240317.

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

It can be written as a sum of positive squares in 2 ways, for example, as 318265600 + 394777161 = 17840^2 + 19869^2 .

It is a cyclic number.

It is not a de Polignac number, because 713042761 - 227 = 578825033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713042731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6726766 + ... + 6726871.

It is an arithmetic number, because the mean of its divisors is an integer number (181624113).

Almost surely, 2713042761 is an apocalyptic number.

It is an amenable number.

713042761 is a deficient number, since it is larger than the sum of its proper divisors (13453691).

713042761 is a wasteful number, since it uses less digits than its factorization.

713042761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453690.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 713042761 is about 26702.8605396501. The cubic root of 713042761 is about 893.3847298930.

The spelling of 713042761 in words is "seven hundred thirteen million, forty-two thousand, seven hundred sixty-one".

Divisors: 1 53 13453637 713042761