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289904543429 = 17113150913349
BaseRepresentation
bin1000011011111111010…
…10000100011011000101
31000201021221112200211012
410031333222010123011
514222211030342204
6341102540252005
726642050650344
oct4157752043305
91021257480735
10289904543429
11101a47614366
1248228541005
132145142b977
1410062451b5b
15781b24776e
hex437fa846c5

289904543429 has 8 divisors (see below), whose sum is σ = 309674194200. Its totient is φ = 270436719616.

The previous prime is 289904543417. The next prime is 289904543459. The reversal of 289904543429 is 924345409982.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61251300100 + 228653243329 = 247490^2 + 478177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289904543429 - 224 = 289887766213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289904543459) 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, 75454754 + ... + 75458595.

It is an arithmetic number, because the mean of its divisors is an integer number (38709274275).

Almost surely, 2289904543429 is an apocalyptic number.

It is an amenable number.

289904543429 is a deficient number, since it is larger than the sum of its proper divisors (19769650771).

289904543429 is a wasteful number, since it uses less digits than its factorization.

289904543429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150913479.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 289904543429 in words is "two hundred eighty-nine billion, nine hundred four million, five hundred forty-three thousand, four hundred twenty-nine".

Divisors: 1 17 113 1921 150913349 2565526933 17053208437 289904543429