Search a number
-
+
10664791 is a prime number
BaseRepresentation
bin101000101011…
…101101010111
3202001211100021
4220223231113
510212233131
61020330011
7156435454
oct50535527
922054307
1010664791
116024685
1236a3907
132295337
1415b882b
15e09e11
hexa2bb57

10664791 has 2 divisors, whose sum is σ = 10664792. Its totient is φ = 10664790.

The previous prime is 10664783. The next prime is 10664809. The reversal of 10664791 is 19746601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10664791 - 23 = 10664783 is a prime.

It is a super-2 number, since 2×106647912 = 227475534147362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10664711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332395 + 5332396.

It is an arithmetic number, because the mean of its divisors is an integer number (5332396).

Almost surely, 210664791 is an apocalyptic number.

10664791 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664791 is an equidigital number, since it uses as much as digits as its factorization.

10664791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 10664791 is about 3265.6991594450. The cubic root of 10664791 is about 220.1155797640.

The spelling of 10664791 in words is "ten million, six hundred sixty-four thousand, seven hundred ninety-one".