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506897289 = 32157135851
BaseRepresentation
bin11110001101101…
…010001110001001
31022022211001100200
4132031222032021
52014231203124
6122144322413
715363361443
oct3615521611
91268731320
10506897289
11240148488
12121913409
138102b632
144b46d493
152e77bbc9
hex1e36a389

506897289 has 12 divisors (see below), whose sum is σ = 732671472. Its totient is φ = 337707000.

The previous prime is 506897263. The next prime is 506897311. The reversal of 506897289 is 982798605.

It is a happy number.

It is not a de Polignac number, because 506897289 - 212 = 506893193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506897239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3787 + ... + 32064.

It is an arithmetic number, because the mean of its divisors is an integer number (61055956).

Almost surely, 2506897289 is an apocalyptic number.

It is an amenable number.

506897289 is a deficient number, since it is larger than the sum of its proper divisors (225774183).

506897289 is a wasteful number, since it uses less digits than its factorization.

506897289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37428 (or 37425 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 506897289 is about 22514.3796050435. The cubic root of 506897289 is about 797.3334598505. Note that the first 3 decimals are identical.

The spelling of 506897289 in words is "five hundred six million, eight hundred ninety-seven thousand, two hundred eighty-nine".

Divisors: 1 3 9 1571 4713 14139 35851 107553 322659 56321921 168965763 506897289