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5786421 = 31928807
BaseRepresentation
bin10110000100101100110101
3101212222110220
4112010230311
52440131141
6324004553
7100120014
oct26045465
911788426
105786421
1132a2473
121b30759
131277a24
14aa8a7b
15794766
hex584b35

5786421 has 4 divisors (see below), whose sum is σ = 7715232. Its totient is φ = 3857612.

The previous prime is 5786419. The next prime is 5786441. The reversal of 5786421 is 1246875.

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 5786421 - 21 = 5786419 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 (5786411) 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, 964401 + ... + 964406.

It is an arithmetic number, because the mean of its divisors is an integer number (1928808).

Almost surely, 25786421 is an apocalyptic number.

It is an amenable number.

5786421 is a deficient number, since it is larger than the sum of its proper divisors (1928811).

5786421 is a wasteful number, since it uses less digits than its factorization.

5786421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928810.

The product of its digits is 13440, while the sum is 33.

The square root of 5786421 is about 2405.4980773220. The cubic root of 5786421 is about 179.5298533278.

The spelling of 5786421 in words is "five million, seven hundred eighty-six thousand, four hundred twenty-one".

Divisors: 1 3 1928807 5786421