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7606681 is a prime number
BaseRepresentation
bin11101000001000110011001
3112022110101221
4131001012121
53421403211
6431012041
7121440625
oct35010631
915273357
107606681
114326015
12266a021
1317643c4
141020185
15a03c71
hex741199

7606681 has 2 divisors, whose sum is σ = 7606682. Its totient is φ = 7606680.

The previous prime is 7606679. The next prime is 7606691. The reversal of 7606681 is 1866067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 2611456 = 2235^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 7606681 - 21 = 7606679 is a prime.

It is a super-2 number, since 2×76066812 = 115723191671522, which contains 22 as substring.

Together with 7606679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7606661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3803340 + 3803341.

It is an arithmetic number, because the mean of its divisors is an integer number (3803341).

Almost surely, 27606681 is an apocalyptic number.

It is an amenable number.

7606681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7606681 is an equidigital number, since it uses as much as digits as its factorization.

7606681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7606681 is about 2758.0212109409. The cubic root of 7606681 is about 196.6671093865.

The spelling of 7606681 in words is "seven million, six hundred six thousand, six hundred eighty-one".