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289247048 = 23355910159
BaseRepresentation
bin10001001111011…
…000111101001000
3202011021021100122
4101033120331020
51043021401143
644411322412
710111362566
oct2117307510
9664237318
10289247048
111392aa652
1280a50408
1347c045cc
142a5b4a36
151a5d7c68
hex113d8f48

289247048 has 16 divisors (see below), whose sum is σ = 542544000. Its totient is φ = 144568656.

The previous prime is 289247047. The next prime is 289247053. The reversal of 289247048 is 840742982.

289247048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (289247047) 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, 23393 + ... + 33551.

It is an arithmetic number, because the mean of its divisors is an integer number (33909000).

Almost surely, 2289247048 is an apocalyptic number.

It is an amenable number.

289247048 is a deficient number, since it is larger than the sum of its proper divisors (253296952).

289247048 is a wasteful number, since it uses less digits than its factorization.

289247048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724 (or 13720 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 289247048 is about 17007.2645654732. The cubic root of 289247048 is about 661.3372397861.

The spelling of 289247048 in words is "two hundred eighty-nine million, two hundred forty-seven thousand, forty-eight".

Divisors: 1 2 4 8 3559 7118 10159 14236 20318 28472 40636 81272 36155881 72311762 144623524 289247048