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289948058 = 2374339049
BaseRepresentation
bin10001010010000…
…100000110011010
3202012120212221222
4101102010012122
51043211314213
644434332042
710120342421
oct2122040632
9665525858
10289948058
111397392a4
128112a022
13480bb6ca
142a7182b8
151a6c5808
hex1148419a

289948058 has 16 divisors (see below), whose sum is σ = 447757800. Its totient is φ = 140714496.

The previous prime is 289948031. The next prime is 289948069. The reversal of 289948058 is 850849982.

It can be written as a sum of positive squares in 4 ways, for example, as 277788889 + 12159169 = 16667^2 + 3487^2 .

It is a super-3 number, since 3×2899480583 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27518 + ... + 36566.

Almost surely, 2289948058 is an apocalyptic number.

289948058 is a deficient number, since it is larger than the sum of its proper divisors (157809742).

289948058 is a wasteful number, since it uses less digits than its factorization.

289948058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 289948058 is about 17027.8612279992. The cubic root of 289948058 is about 661.8710740980.

The spelling of 289948058 in words is "two hundred eighty-nine million, nine hundred forty-eight thousand, fifty-eight".

Divisors: 1 2 37 74 433 866 9049 16021 18098 32042 334813 669626 3918217 7836434 144974029 289948058