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9980713 = 37269749
BaseRepresentation
bin100110000100…
…101100101001
3200210001222001
4212010230221
510023340323
6553531001
7150556201
oct46045451
920701861
109980713
1156a7726
123413a61
1320b5b62
14147b401
15d223ad
hex984b29

9980713 has 4 divisors (see below), whose sum is σ = 10250500. Its totient is φ = 9710928.

The previous prime is 9980699. The next prime is 9980723. The reversal of 9980713 is 3170899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3170899 = 4177339.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 5992704 = 1997^2 + 2448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9980713 is a prime.

It is a super-2 number, since 2×99807132 = 199229263976738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 269749 = 9980713 / (9 + 9 + 8 + 0 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980723) 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, 134838 + ... + 134911.

It is an arithmetic number, because the mean of its divisors is an integer number (2562625).

Almost surely, 29980713 is an apocalyptic number.

It is an amenable number.

9980713 is a deficient number, since it is larger than the sum of its proper divisors (269787).

9980713 is a wasteful number, since it uses less digits than its factorization.

9980713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269786.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 9980713 is about 3159.2266458740. The cubic root of 9980713 is about 215.3048712542.

The spelling of 9980713 in words is "nine million, nine hundred eighty thousand, seven hundred thirteen".

Divisors: 1 37 269749 9980713