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289248970 = 25191522363
BaseRepresentation
bin10001001111011…
…001011011001010
3202011021100222211
4101033121123022
51043021431340
644411335334
710111401313
oct2117313312
9664240884
10289248970
1113930103a
1280a5154a
1347c0544a
142a5b560a
151a5d85ea
hex113d96ca

289248970 has 16 divisors (see below), whose sum is σ = 548051040. Its totient is φ = 109610064.

The previous prime is 289248961. The next prime is 289248979. The reversal of 289248970 is 79842982.

It is an interprime number because it is at equal distance from previous prime (289248961) and next prime (289248979).

It is not an unprimeable number, because it can be changed into a prime (289248979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760992 + ... + 761371.

It is an arithmetic number, because the mean of its divisors is an integer number (34253190).

Almost surely, 2289248970 is an apocalyptic number.

289248970 is a deficient number, since it is larger than the sum of its proper divisors (258802070).

289248970 is a wasteful number, since it uses less digits than its factorization.

289248970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522389.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 289248970 is about 17007.3210706448. The cubic root of 289248970 is about 661.3387046093.

The spelling of 289248970 in words is "two hundred eighty-nine million, two hundred forty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 1522363 3044726 7611815 15223630 28924897 57849794 144624485 289248970