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289397059 = 73112710501
BaseRepresentation
bin10001001111111…
…101100101000011
3202011112220010121
4101033331211003
51043041201214
644414441111
710112556130
oct2117754503
9664486117
10289397059
111393a2326
1280b03197
1347c57983
142a613587
151a617424
hex113fd943

289397059 has 16 divisors (see below), whose sum is σ = 344129536. Its totient is φ = 238140000.

The previous prime is 289397057. The next prime is 289397077. The reversal of 289397059 is 950793982.

289397059 = T2071 + T2072 + ... + T2197.

It is not a de Polignac number, because 289397059 - 21 = 289397057 is a prime.

It is a super-3 number, since 3×2893970593 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289396997 and 289397015.

It is not an unprimeable number, because it can be changed into a prime (289397051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22309 + ... + 32809.

It is an arithmetic number, because the mean of its divisors is an integer number (21508096).

Almost surely, 2289397059 is an apocalyptic number.

289397059 is a deficient number, since it is larger than the sum of its proper divisors (54732477).

289397059 is a wasteful number, since it uses less digits than its factorization.

289397059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 289397059 is about 17011.6741974445. The cubic root of 289397059 is about 661.4515488928.

The spelling of 289397059 in words is "two hundred eighty-nine million, three hundred ninety-seven thousand, fifty-nine".

Divisors: 1 7 31 127 217 889 3937 10501 27559 73507 325531 1333627 2278717 9335389 41342437 289397059