Search a number
-
+
289798474 = 2720699891
BaseRepresentation
bin10001010001011…
…111100101001010
3202012022021202211
4101101133211022
51043142022344
644431215334
710116150340
oct2121374512
9665267684
10289798474
11139646979
128107754a
13480685b4
142a6b9990
151a696334
hex1145f94a

289798474 has 8 divisors (see below), whose sum is σ = 496797408. Its totient is φ = 124199340.

The previous prime is 289798463. The next prime is 289798477. The reversal of 289798474 is 474897982.

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

It is not an unprimeable number, because it can be changed into a prime (289798477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10349932 + ... + 10349959.

It is an arithmetic number, because the mean of its divisors is an integer number (62099676).

Almost surely, 2289798474 is an apocalyptic number.

289798474 is a deficient number, since it is larger than the sum of its proper divisors (206998934).

289798474 is a wasteful number, since it uses less digits than its factorization.

289798474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20699900.

The product of its digits is 8128512, while the sum is 58.

The square root of 289798474 is about 17023.4683305136. The cubic root of 289798474 is about 661.7572349115.

The spelling of 289798474 in words is "two hundred eighty-nine million, seven hundred ninety-eight thousand, four hundred seventy-four".

Divisors: 1 2 7 14 20699891 41399782 144899237 289798474