Search a number
-
+
1982995 = 57531069
BaseRepresentation
bin111100100001000010011
310201202011021
413210020103
51001423440
6110300311
722566220
oct7441023
93652137
101982995
111134943
127b7697
13545791
14398947
1529284a
hex1e4213

1982995 has 16 divisors (see below), whose sum is σ = 2773440. Its totient is φ = 1332864.

The previous prime is 1982993. The next prime is 1983001. The reversal of 1982995 is 5992891.

It is a cyclic number.

It is not a de Polignac number, because 1982995 - 21 = 1982993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (173340).

21982995 is an apocalyptic number.

1982995 is a deficient number, since it is larger than the sum of its proper divisors (790445).

1982995 is a wasteful number, since it uses less digits than its factorization.

1982995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 58320, while the sum is 43.

The square root of 1982995 is about 1408.1885527159. The cubic root of 1982995 is about 125.6340055259.

The spelling of 1982995 in words is "one million, nine hundred eighty-two thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 53 265 371 1069 1855 5345 7483 37415 56657 283285 396599 1982995