Search a number
-
+
10782643 is a prime number
BaseRepresentation
bin101001001000…
…011110110011
3202021211000011
4221020132303
510230021033
61023035351
7160436164
oct51103663
922254004
1010782643
1160a5183
12373bb57
132306b81
14160976b
15e2eccd
hexa487b3

10782643 has 2 divisors, whose sum is σ = 10782644. Its totient is φ = 10782642.

The previous prime is 10782623. The next prime is 10782649. The reversal of 10782643 is 34628701.

10782643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34628701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10782643 is a prime.

It is not a weakly prime, because it can be changed into another prime (10782649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5391321 + 5391322.

It is an arithmetic number, because the mean of its divisors is an integer number (5391322).

Almost surely, 210782643 is an apocalyptic number.

10782643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10782643 is an equidigital number, since it uses as much as digits as its factorization.

10782643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 10782643 is about 3283.6934997043. The cubic root of 10782643 is about 220.9234121024.

It can be divided in two parts, 1078 and 2643, that added together give a square (3721 = 612).

The spelling of 10782643 in words is "ten million, seven hundred eighty-two thousand, six hundred forty-three".