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8005493 is a prime number
BaseRepresentation
bin11110100010011101110101
3120001201110202
4132202131311
54022133433
6443330245
7125021426
oct36423565
916051422
108005493
114578711
122820985
131873aa2
1410c564d
15a81ee8
hex7a2775

8005493 has 2 divisors, whose sum is σ = 8005494. Its totient is φ = 8005492.

The previous prime is 8005483. The next prime is 8005499. The reversal of 8005493 is 3945008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 293764 = 2777^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 8005493 - 26 = 8005429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8005499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002746 + 4002747.

It is an arithmetic number, because the mean of its divisors is an integer number (4002747).

Almost surely, 28005493 is an apocalyptic number.

It is an amenable number.

8005493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005493 is an equidigital number, since it uses as much as digits as its factorization.

8005493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 8005493 is about 2829.3979925065. The cubic root of 8005493 is about 200.0457645272.

The spelling of 8005493 in words is "eight million, five thousand, four hundred ninety-three".