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5642841 = 31880947
BaseRepresentation
bin10101100001101001011001
3101121200112010
4111201221121
52421032331
6320540133
765651301
oct25415131
911550463
105642841
113204606
121a81649
131227579
14a6c601
15766e46
hex561a59

5642841 has 4 divisors (see below), whose sum is σ = 7523792. Its totient is φ = 3761892.

The previous prime is 5642839. The next prime is 5642851. The reversal of 5642841 is 1482465.

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 5642841 - 21 = 5642839 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5642799 and 5642808.

It is not an unprimeable number, because it can be changed into a prime (5642801) 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, 940471 + ... + 940476.

It is an arithmetic number, because the mean of its divisors is an integer number (1880948).

Almost surely, 25642841 is an apocalyptic number.

It is an amenable number.

5642841 is a deficient number, since it is larger than the sum of its proper divisors (1880951).

5642841 is a wasteful number, since it uses less digits than its factorization.

5642841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880950.

The product of its digits is 7680, while the sum is 30.

The square root of 5642841 is about 2375.4664805044. The cubic root of 5642841 is about 178.0324920696.

The spelling of 5642841 in words is "five million, six hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 3 1880947 5642841