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7016981 is a prime number
BaseRepresentation
bin11010110001001000010101
3111012111111012
4122301020111
53244020411
6410222005
7113433446
oct32611025
914174435
107016981
113a62a64
122424905
1315b8b7a
14d092cd
1593918b
hex6b1215

7016981 has 2 divisors, whose sum is σ = 7016982. Its totient is φ = 7016980.

The previous prime is 7016963. The next prime is 7016983. The reversal of 7016981 is 1896107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 1136356 = 2425^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 7016981 - 218 = 6754837 is a prime.

It is a super-2 number, since 2×70169812 = 98476044708722, which contains 22 as substring.

Together with 7016983, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7016983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508490 + 3508491.

It is an arithmetic number, because the mean of its divisors is an integer number (3508491).

Almost surely, 27016981 is an apocalyptic number.

It is an amenable number.

7016981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7016981 is an equidigital number, since it uses as much as digits as its factorization.

7016981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 7016981 is about 2648.9584745707. The cubic root of 7016981 is about 191.4476766248.

It can be divided in two parts, 7016 and 981, that added together give a palindrome (7997).

The spelling of 7016981 in words is "seven million, sixteen thousand, nine hundred eighty-one".