Search a number
-
+
982890489 = 371011632843
BaseRepresentation
bin111010100101011…
…011011111111001
32112111111000021110
4322211123133321
54003104443424
6241310430533
733233300640
oct7245333771
92474430243
10982890489
114648a8199
12235202449
13128829609
1494776357
155b451c29
hex3a95b7f9

982890489 has 32 divisors (see below), whose sum is σ = 1522381824. Its totient is φ = 552484800.

The previous prime is 982890473. The next prime is 982890509. The reversal of 982890489 is 984098289.

It is not a de Polignac number, because 982890489 - 24 = 982890473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (982890409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344302 + ... + 347144.

It is an arithmetic number, because the mean of its divisors is an integer number (47574432).

Almost surely, 2982890489 is an apocalyptic number.

It is an amenable number.

982890489 is a deficient number, since it is larger than the sum of its proper divisors (539491335).

982890489 is a wasteful number, since it uses less digits than its factorization.

982890489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 982890489 is about 31351.0843353145. The cubic root of 982890489 is about 994.2639907732.

The spelling of 982890489 in words is "nine hundred eighty-two million, eight hundred ninety thousand, four hundred eighty-nine".

Divisors: 1 3 7 21 101 163 303 489 707 1141 2121 2843 3423 8529 16463 19901 49389 59703 115241 287143 345723 463409 861429 1390227 2010001 3243863 6030003 9731589 46804309 140412927 327630163 982890489