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713144897 = 4289166273
BaseRepresentation
bin101010100000011…
…011101001000001
31211200220111212222
4222200123221001
52430031114042
6154433100425
723446426433
oct5240335101
91750814788
10713144897
11336608353
1217a9b7715
13b499253a
146a9da653
154291c2d2
hex2a81ba41

713144897 has 4 divisors (see below), whose sum is σ = 713315460. Its totient is φ = 712974336.

The previous prime is 713144891. The next prime is 713144899. The reversal of 713144897 is 798441317.

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 521848336 + 191296561 = 22844^2 + 13831^2 .

It is a cyclic number.

It is not a de Polignac number, because 713144897 - 26 = 713144833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713144891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78848 + ... + 87425.

It is an arithmetic number, because the mean of its divisors is an integer number (178328865).

Almost surely, 2713144897 is an apocalyptic number.

It is an amenable number.

713144897 is a deficient number, since it is larger than the sum of its proper divisors (170563).

713144897 is a wasteful number, since it uses less digits than its factorization.

713144897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170562.

The product of its digits is 169344, while the sum is 44.

The square root of 713144897 is about 26704.7729254529. The cubic root of 713144897 is about 893.4273838970.

The spelling of 713144897 in words is "seven hundred thirteen million, one hundred forty-four thousand, eight hundred ninety-seven".

Divisors: 1 4289 166273 713144897