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5243961 = 31747987
BaseRepresentation
bin10100000000010000111001
3100212102100210
4110000100321
52320301321
6304221333
762400342
oct24002071
910772323
105243961
112a61958
12190a849
131117b48
149a70c9
156d8b76
hex500439

5243961 has 4 divisors (see below), whose sum is σ = 6991952. Its totient is φ = 3495972.

The previous prime is 5243947. The next prime is 5243971. The reversal of 5243961 is 1693425.

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 not a de Polignac number, because 5243961 - 26 = 5243897 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873991 + ... + 873996.

It is an arithmetic number, because the mean of its divisors is an integer number (1747988).

Almost surely, 25243961 is an apocalyptic number.

It is an amenable number.

5243961 is a deficient number, since it is larger than the sum of its proper divisors (1747991).

5243961 is a wasteful number, since it uses less digits than its factorization.

5243961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747990.

The product of its digits is 6480, while the sum is 30.

The square root of 5243961 is about 2289.9696504539. The cubic root of 5243961 is about 173.7346662796.

The spelling of 5243961 in words is "five million, two hundred forty-three thousand, nine hundred sixty-one".

Divisors: 1 3 1747987 5243961