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8361093 = 3131712611
BaseRepresentation
bin11111111001010010000101
3120201210021010
4133321102011
54120023333
6455112433
7131032236
oct37712205
916653233
108361093
1147a08a4
122972719
1319698c0
14117908d
15b02563
hex7f9485

8361093 has 16 divisors (see below), whose sum is σ = 12712896. Its totient is φ = 4842240.

The previous prime is 8361071. The next prime is 8361097. The reversal of 8361093 is 3901638.

It is not a de Polignac number, because 8361093 - 29 = 8360581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8361093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8361097) 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 in 15 ways as a sum of consecutive naturals, for example, 5643 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (794556).

Almost surely, 28361093 is an apocalyptic number.

It is an amenable number.

8361093 is a deficient number, since it is larger than the sum of its proper divisors (4351803).

8361093 is a wasteful number, since it uses less digits than its factorization.

8361093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 8361093 is about 2891.5554637599. Note that the first 3 decimals coincide. The cubic root of 8361093 is about 202.9649368773.

The spelling of 8361093 in words is "eight million, three hundred sixty-one thousand, ninety-three".

Divisors: 1 3 13 17 39 51 221 663 12611 37833 163943 214387 491829 643161 2787031 8361093