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7689401 is a prime number
BaseRepresentation
bin11101010101010010111001
3112110122212122
4131111102321
53432030101
6432451025
7122234036
oct35252271
915418778
107689401
114382185
1226a9a75
131792c55
14104238d
15a1d51b
hex7554b9

7689401 has 2 divisors, whose sum is σ = 7689402. Its totient is φ = 7689400.

The previous prime is 7689397. The next prime is 7689419. The reversal of 7689401 is 1049867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 2399401 = 2300^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 7689401 - 22 = 7689397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7689301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844700 + 3844701.

It is an arithmetic number, because the mean of its divisors is an integer number (3844701).

Almost surely, 27689401 is an apocalyptic number.

It is an amenable number.

7689401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7689401 is an equidigital number, since it uses as much as digits as its factorization.

7689401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7689401 is about 2772.9769202069. The cubic root of 7689401 is about 197.3774361063.

The spelling of 7689401 in words is "seven million, six hundred eighty-nine thousand, four hundred one".