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8241985 = 56192663
BaseRepresentation
bin11111011100001101000001
3120111201212201
4133130031001
54102220420
6452353201
7130025053
oct37341501
916451781
108241985
11471a364
122915801
13192761b
1411478d3
15acc10a
hex7dc341

8241985 has 8 divisors (see below), whose sum is σ = 9910080. Its totient is φ = 6580464.

The previous prime is 8241979. The next prime is 8242007. The reversal of 8241985 is 5891428.

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 8241985 - 215 = 8209217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (1238760).

Almost surely, 28241985 is an apocalyptic number.

It is an amenable number.

8241985 is a deficient number, since it is larger than the sum of its proper divisors (1668095).

8241985 is a wasteful number, since it uses less digits than its factorization.

8241985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its digits is 23040, while the sum is 37.

The square root of 8241985 is about 2870.8857518195. The cubic root of 8241985 is about 201.9965443973.

It can be divided in two parts, 824 and 1985, that added together give a square (2809 = 532).

The spelling of 8241985 in words is "eight million, two hundred forty-one thousand, nine hundred eighty-five".

Divisors: 1 5 619 2663 3095 13315 1648397 8241985