Search a number
-
+
5871921 = 311612917
BaseRepresentation
bin10110011001100100110001
3102001022202120
4112121210301
53000400141
6325504453
7100624206
oct26314461
912038676
105871921
113350730
121b72129
1312a7913
14acbcad
157aec66
hex599931

5871921 has 16 divisors (see below), whose sum is σ = 8683968. Its totient is φ = 3499200.

The previous prime is 5871917. The next prime is 5871959. The reversal of 5871921 is 1291785.

It is not a de Polignac number, because 5871921 - 22 = 5871917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5871911) 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 15 ways as a sum of consecutive naturals, for example, 555 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (542748).

Almost surely, 25871921 is an apocalyptic number.

It is an amenable number.

5871921 is a deficient number, since it is larger than the sum of its proper divisors (2812047).

5871921 is a wasteful number, since it uses less digits than its factorization.

5871921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 5040, while the sum is 33.

The square root of 5871921 is about 2423.2046962648. The cubic root of 5871921 is about 180.4097762986.

The spelling of 5871921 in words is "five million, eight hundred seventy-one thousand, nine hundred twenty-one".

Divisors: 1 3 11 33 61 183 671 2013 2917 8751 32087 96261 177937 533811 1957307 5871921