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8241005 = 51796953
BaseRepresentation
bin11111011011111101101101
3120111200112102
4133123331231
54102203010
6452344445
7130022153
oct37337555
916450472
108241005
114719653
122915125
131927046
1411473d3
15acbba5
hex7dbf6d

8241005 has 8 divisors (see below), whose sum is σ = 10471032. Its totient is φ = 6204928.

The previous prime is 8241001. The next prime is 8241007. The reversal of 8241005 is 5001428.

It can be written as a sum of positive squares in 4 ways, for example, as 3374569 + 4866436 = 1837^2 + 2206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8241005 - 22 = 8241001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8241001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48392 + ... + 48561.

It is an arithmetic number, because the mean of its divisors is an integer number (1308879).

Almost surely, 28241005 is an apocalyptic number.

8241005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8241005 is a deficient number, since it is larger than the sum of its proper divisors (2230027).

8241005 is a wasteful number, since it uses less digits than its factorization.

8241005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96975.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8241005 is about 2870.7150677140. The cubic root of 8241005 is about 201.9885380550.

The spelling of 8241005 in words is "eight million, two hundred forty-one thousand, five".

Divisors: 1 5 17 85 96953 484765 1648201 8241005