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2239898385 = 35149326559
BaseRepresentation
bin1000010110000010…
…0010001100010001
312210002202121221110
42011200202030101
514041403222020
61010132443533
7106335551664
oct20540421421
95702677843
102239898385
11a4a40089a
125261795a9
13299090b7a
141736a56db
15d199d8e0
hex85822311

2239898385 has 8 divisors (see below), whose sum is σ = 3583837440. Its totient is φ = 1194612464.

The previous prime is 2239898371. The next prime is 2239898387. The reversal of 2239898385 is 5838989322.

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 2239898385 - 26 = 2239898321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2239898387) 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, 74663265 + ... + 74663294.

It is an arithmetic number, because the mean of its divisors is an integer number (447979680).

Almost surely, 22239898385 is an apocalyptic number.

It is an amenable number.

2239898385 is a deficient number, since it is larger than the sum of its proper divisors (1343939055).

2239898385 is a wasteful number, since it uses less digits than its factorization.

2239898385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149326567.

The product of its digits is 7464960, while the sum is 57.

The square root of 2239898385 is about 47327.5647482522. The cubic root of 2239898385 is about 1308.4067386927.

The spelling of 2239898385 in words is "two billion, two hundred thirty-nine million, eight hundred ninety-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 15 149326559 447979677 746632795 2239898385