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716427073 = 1742142769
BaseRepresentation
bin101010101100111…
…100111101000001
31211221002021012001
4222230330331001
52431401131243
6155031304001
723516346445
oct5254747501
91757067161
10716427073
1133844a29a
1217bb1b001
13b557145b
146b212825
1542d69a4d
hex2ab3cf41

716427073 has 4 divisors (see below), whose sum is σ = 758569860. Its totient is φ = 674284288.

The previous prime is 716427017. The next prime is 716427077. The reversal of 716427073 is 370724617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370724617 = 401992243.

It can be written as a sum of positive squares in 2 ways, for example, as 270668304 + 445758769 = 16452^2 + 21113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-716427073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716427077) 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, 21071368 + ... + 21071401.

It is an arithmetic number, because the mean of its divisors is an integer number (189642465).

Almost surely, 2716427073 is an apocalyptic number.

It is an amenable number.

716427073 is a deficient number, since it is larger than the sum of its proper divisors (42142787).

716427073 is a wasteful number, since it uses less digits than its factorization.

716427073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42142786.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 716427073 is about 26766.1553645644. The cubic root of 716427073 is about 894.7959223847.

The spelling of 716427073 in words is "seven hundred sixteen million, four hundred twenty-seven thousand, seventy-three".

Divisors: 1 17 42142769 716427073