Search a number
-
+
2049189 = 31016763
BaseRepresentation
bin111110100010010100101
310212002221220
413310102211
51011033224
6111530553
723263212
oct7642245
93762856
102049189
11117a64a
12829a59
1356994c
143b4b09
152a7279
hex1f44a5

2049189 has 8 divisors (see below), whose sum is σ = 2759712. Its totient is φ = 1352400.

The previous prime is 2049167. The next prime is 2049191. The reversal of 2049189 is 9819402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2049189 - 28 = 2048933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049119) 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 7 ways as a sum of consecutive naturals, for example, 3079 + ... + 3684.

It is an arithmetic number, because the mean of its divisors is an integer number (344964).

22049189 is an apocalyptic number.

It is an amenable number.

2049189 is a deficient number, since it is larger than the sum of its proper divisors (710523).

2049189 is a wasteful number, since it uses less digits than its factorization.

2049189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2049189 is about 1431.4988648267. The cubic root of 2049189 is about 127.0166551823.

The spelling of 2049189 in words is "two million, forty-nine thousand, one hundred eighty-nine".

Divisors: 1 3 101 303 6763 20289 683063 2049189