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289983404 = 2279917669
BaseRepresentation
bin10001010010001…
…100101110101100
3202012122200110002
4101102030232230
51043213432104
644435203432
710120550444
oct2122145654
9665580402
10289983404
11139762907
1281146578
1348101819
142a727124
151a6d101e
hex1148cbac

289983404 has 12 divisors (see below), whose sum is σ = 513895200. Its totient is φ = 143156208.

The previous prime is 289983349. The next prime is 289983413. The reversal of 289983404 is 404389982.

It is a pancake number, because a pancake can be divided into 289983404 parts by 24082 straight cuts.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458519 + ... + 459150.

It is an arithmetic number, because the mean of its divisors is an integer number (42824600).

Almost surely, 2289983404 is an apocalyptic number.

It is an amenable number.

289983404 is a deficient number, since it is larger than the sum of its proper divisors (223911796).

289983404 is a wasteful number, since it uses less digits than its factorization.

289983404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917752 (or 917750 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 289983404 is about 17028.8990836167. The cubic root of 289983404 is about 661.8979680465.

The spelling of 289983404 in words is "two hundred eighty-nine million, nine hundred eighty-three thousand, four hundred four".

Divisors: 1 2 4 79 158 316 917669 1835338 3670676 72495851 144991702 289983404