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7872341 is a prime number
BaseRepresentation
bin11110000001111101010101
3112210221211012
4132001331111
54003403331
6440422005
7123625301
oct36017525
915727735
107872341
114497674
122777905
1318282b9
14108cd01
15a5782b
hex781f55

7872341 has 2 divisors, whose sum is σ = 7872342. Its totient is φ = 7872340.

The previous prime is 7872329. The next prime is 7872353. The reversal of 7872341 is 1432787.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7872329) and next prime (7872353).

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 1164241 = 2590^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 7872341 - 210 = 7871317 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 = 7872298 and 7872307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7872391) 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, 3936170 + 3936171.

It is an arithmetic number, because the mean of its divisors is an integer number (3936171).

Almost surely, 27872341 is an apocalyptic number.

It is an amenable number.

7872341 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872341 is an equidigital number, since it uses as much as digits as its factorization.

7872341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 7872341 is about 2805.7692349871. The cubic root of 7872341 is about 198.9304656770.

The spelling of 7872341 in words is "seven million, eight hundred seventy-two thousand, three hundred forty-one".