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8198461 = 61134401
BaseRepresentation
bin11111010001100100111101
3120102112011201
4133101210331
54044322321
6451415501
7126454135
oct37214475
916375151
108198461
11469a697
1228b4591
13191087b
141135ac5
15abe291
hex7d193d

8198461 has 4 divisors (see below), whose sum is σ = 8332924. Its totient is φ = 8064000.

The previous prime is 8198459. The next prime is 8198467. The reversal of 8198461 is 1648918.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1648918 = 2824459.

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 6095961 = 1450^2 + 2469^2 .

It is a cyclic number.

It is not a de Polignac number, because 8198461 - 21 = 8198459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8198461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67140 + ... + 67261.

It is an arithmetic number, because the mean of its divisors is an integer number (2083231).

Almost surely, 28198461 is an apocalyptic number.

It is an amenable number.

8198461 is a deficient number, since it is larger than the sum of its proper divisors (134463).

8198461 is a wasteful number, since it uses less digits than its factorization.

8198461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134462.

The product of its digits is 13824, while the sum is 37.

The square root of 8198461 is about 2863.2954789892. The cubic root of 8198461 is about 201.6403511261.

The spelling of 8198461 in words is "eight million, one hundred ninety-eight thousand, four hundred sixty-one".

Divisors: 1 61 134401 8198461