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8291401 is a prime number
BaseRepresentation
bin11111101000010001001001
3120121020122221
4133220101021
54110311101
6453414041
7130322116
oct37502111
916536587
108291401
1147534a8
12293a321
131943c71
14115b90d
15adbaa1
hex7e8449

8291401 has 2 divisors, whose sum is σ = 8291402. Its totient is φ = 8291400.

The previous prime is 8291399. The next prime is 8291407. The reversal of 8291401 is 1041928.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 585225 = 2776^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 8291401 - 21 = 8291399 is a prime.

Together with 8291399, it forms a pair of twin primes.

It is equal to p558070 and since 8291401 and 558070 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8291407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4145700 + 4145701.

It is an arithmetic number, because the mean of its divisors is an integer number (4145701).

Almost surely, 28291401 is an apocalyptic number.

It is an amenable number.

8291401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8291401 is an equidigital number, since it uses as much as digits as its factorization.

8291401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 8291401 is about 2879.4792932056. The cubic root of 8291401 is about 202.3994399861.

The spelling of 8291401 in words is "eight million, two hundred ninety-one thousand, four hundred one".