Search a number
-
+
10972649 is a prime number
BaseRepresentation
bin101001110110…
…110111101001
3202122110122102
4221312313221
510302111044
61031103145
7162160142
oct51666751
922573572
1010972649
116214a06
123811ab5
1323724bc
141658ac9
15e6b24e
hexa76de9

10972649 has 2 divisors, whose sum is σ = 10972650. Its totient is φ = 10972648.

The previous prime is 10972613. The next prime is 10972651. The reversal of 10972649 is 94627901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8082649 + 2890000 = 2843^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 10972649 - 28 = 10972393 is a prime.

Together with 10972651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10972699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5486324 + 5486325.

It is an arithmetic number, because the mean of its divisors is an integer number (5486325).

Almost surely, 210972649 is an apocalyptic number.

It is an amenable number.

10972649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10972649 is an equidigital number, since it uses as much as digits as its factorization.

10972649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 10972649 is about 3312.4989056602. The cubic root of 10972649 is about 222.2135285580.

The spelling of 10972649 in words is "ten million, nine hundred seventy-two thousand, six hundred forty-nine".