Search a number
-
+
2000985 = 357171959
BaseRepresentation
bin111101000100001011001
310202122211120
413220201121
51003012420
6110515453
723002530
oct7504131
93678746
102000985
111147408
12805b89
13550a1c
143a1317
15297d40
hex1e8859

2000985 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 801792.

The previous prime is 2000969. The next prime is 2000989. The reversal of 2000985 is 5890002.

It is not a de Polignac number, because 2000985 - 24 = 2000969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2000989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33886 + ... + 33944.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

22000985 is an apocalyptic number.

It is an amenable number.

2000985 is an abundant number, since it is smaller than the sum of its proper divisors (2146215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000985 is a wasteful number, since it uses less digits than its factorization.

2000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2000985 is about 1414.5617695951. The cubic root of 2000985 is about 126.0127852987.

Adding to 2000985 its reverse (5890002), we get a palindrome (7890987).

The spelling of 2000985 in words is "two million, nine hundred eighty-five", and thus it is an aban number.

Divisors: 1 3 5 7 15 17 19 21 35 51 57 59 85 95 105 119 133 177 255 285 295 323 357 399 413 595 665 885 969 1003 1121 1239 1615 1785 1995 2065 2261 3009 3363 4845 5015 5605 6195 6783 7021 7847 11305 15045 16815 19057 21063 23541 33915 35105 39235 57171 95285 105315 117705 133399 285855 400197 666995 2000985