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713281085 = 51121178977
BaseRepresentation
bin101010100000111…
…100111000111101
31211201011102200222
4222200330320331
52430044443320
6154440031125
723450534456
oct5240747075
91751142628
10713281085
113366a0700
1217aa624a5
13b4a0c51a
146aa3412d
1542947825
hex2a83ce3d

713281085 has 12 divisors (see below), whose sum is σ = 940824444. Its totient is φ = 518749440.

The previous prime is 713281081. The next prime is 713281097. The reversal of 713281085 is 580182317.

It can be written as a sum of positive squares in 2 ways, for example, as 229764964 + 483516121 = 15158^2 + 21989^2 .

It is not a de Polignac number, because 713281085 - 22 = 713281081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713281081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588884 + ... + 590093.

It is an arithmetic number, because the mean of its divisors is an integer number (78402037).

Almost surely, 2713281085 is an apocalyptic number.

It is an amenable number.

713281085 is a deficient number, since it is larger than the sum of its proper divisors (227543359).

713281085 is a wasteful number, since it uses less digits than its factorization.

713281085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179004 (or 1178993 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 713281085 is about 26707.3226849866. The cubic root of 713281085 is about 893.4842523514.

The spelling of 713281085 in words is "seven hundred thirteen million, two hundred eighty-one thousand, eighty-five".

Divisors: 1 5 11 55 121 605 1178977 5894885 12968747 64843735 142656217 713281085