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289608002 = 2144804001
BaseRepresentation
bin10001010000110…
…001000101000010
3202011221121111022
4101100301011002
51043114424002
644423145442
710114425125
oct2120610502
9664847438
10289608002
11139526862
1280ba5282
1347ccc9a8
142a66a3bc
151a659ba2
hex11431142

289608002 has 4 divisors (see below), whose sum is σ = 434412006. Its totient is φ = 144804000.

The previous prime is 289607993. The next prime is 289608041. The reversal of 289608002 is 200806982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 284630641 + 4977361 = 16871^2 + 2231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72401999 + ... + 72402002.

Almost surely, 2289608002 is an apocalyptic number.

289608002 is a deficient number, since it is larger than the sum of its proper divisors (144804004).

289608002 is a wasteful number, since it uses less digits than its factorization.

289608002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144804003.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 289608002 is about 17017.8730163320. The cubic root of 289608002 is about 661.6122216691.

The spelling of 289608002 in words is "two hundred eighty-nine million, six hundred eight thousand, two".

Divisors: 1 2 144804001 289608002