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5195661 = 31731887
BaseRepresentation
bin10011110100011110001101
3100202222002220
4103310132031
52312230121
6303205553
762106462
oct23643615
910688086
105195661
112a29639
1218a68b9
1310cbb73
14993669
156c96c6
hex4f478d

5195661 has 4 divisors (see below), whose sum is σ = 6927552. Its totient is φ = 3463772.

The previous prime is 5195657. The next prime is 5195737. The reversal of 5195661 is 1665915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5195661 - 22 = 5195657 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5195161) 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 3 ways as a sum of consecutive naturals, for example, 865941 + ... + 865946.

It is an arithmetic number, because the mean of its divisors is an integer number (1731888).

Almost surely, 25195661 is an apocalyptic number.

It is an amenable number.

5195661 is a deficient number, since it is larger than the sum of its proper divisors (1731891).

5195661 is a wasteful number, since it uses less digits than its factorization.

5195661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731890.

The product of its digits is 8100, while the sum is 33.

The square root of 5195661 is about 2279.3992629638. The cubic root of 5195661 is about 173.1996203324.

The spelling of 5195661 in words is "five million, one hundred ninety-five thousand, six hundred sixty-one".

Divisors: 1 3 1731887 5195661