Search a number
-
+
9980693 is a prime number
BaseRepresentation
bin100110000100…
…101100010101
3200210001221022
4212010230111
510023340233
6553530525
7150556142
oct46045425
920701838
109980693
1156a7708
123413a45
1320b5b48
14147b3c9
15d22398
hex984b15

9980693 has 2 divisors, whose sum is σ = 9980694. Its totient is φ = 9980692.

The previous prime is 9980629. The next prime is 9980699. The reversal of 9980693 is 3960899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 1697809 = 2878^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980693 - 26 = 9980629 is a prime.

It is a super-2 number, since 2×99806932 = 199228465520498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9980699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990346 + 4990347.

It is an arithmetic number, because the mean of its divisors is an integer number (4990347).

Almost surely, 29980693 is an apocalyptic number.

It is an amenable number.

9980693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980693 is an equidigital number, since it uses as much as digits as its factorization.

9980693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9980693 is about 3159.2234805407. The cubic root of 9980693 is about 215.3047274402.

It can be divided in two parts, 99806 and 93, that added together give a palindrome (99899).

The spelling of 9980693 in words is "nine million, nine hundred eighty thousand, six hundred ninety-three".