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3198361 = 7974013
BaseRepresentation
bin1100001100110110011001
320000111022211
430030312121
51304321421
6152315121
736120445
oct14146631
96014284
103198361
111894a81
1210a2aa1
1387ca2a
145d3825
154329e1
hex30cd99

3198361 has 4 divisors (see below), whose sum is σ = 3203172. Its totient is φ = 3193552.

The previous prime is 3198359. The next prime is 3198389. The reversal of 3198361 is 1638913.

3198361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 1040400 = 1469^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198361 - 21 = 3198359 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198341) 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 in 3 ways as a sum of consecutive naturals, for example, 1210 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (800793).

Almost surely, 23198361 is an apocalyptic number.

It is an amenable number.

3198361 is a deficient number, since it is larger than the sum of its proper divisors (4811).

3198361 is an equidigital number, since it uses as much as digits as its factorization.

3198361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810.

The product of its digits is 3888, while the sum is 31.

The square root of 3198361 is about 1788.3962088978. The cubic root of 3198361 is about 147.3360967839.

The spelling of 3198361 in words is "three million, one hundred ninety-eight thousand, three hundred sixty-one".

Divisors: 1 797 4013 3198361