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7898141 is a prime number
BaseRepresentation
bin11110001000010000011101
3112212021012202
4132020100131
54010220031
6441141245
7124063436
oct36102035
915767182
107898141
114504a99
12278a825
131836c74
14109848d
15a602cb
hex78841d

7898141 has 2 divisors, whose sum is σ = 7898142. Its totient is φ = 7898140.

The previous prime is 7898123. The next prime is 7898159. The reversal of 7898141 is 1418987.

It is a balanced prime because it is at equal distance from previous prime (7898123) and next prime (7898159).

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 2114116 = 2405^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 7898141 - 218 = 7635997 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 7898095 and 7898104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7898171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3949070 + 3949071.

It is an arithmetic number, because the mean of its divisors is an integer number (3949071).

Almost surely, 27898141 is an apocalyptic number.

It is an amenable number.

7898141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7898141 is an equidigital number, since it uses as much as digits as its factorization.

7898141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 7898141 is about 2810.3631437948. The cubic root of 7898141 is about 199.1475467797.

The spelling of 7898141 in words is "seven million, eight hundred ninety-eight thousand, one hundred forty-one".