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2239419021 = 372191634919
BaseRepresentation
bin1000010101111010…
…1101001010001101
312210001212021101020
42011132231022031
514041242402041
61010114304353
7106331514300
oct20536551215
95701767336
102239419021
11a4a103724
12525b880b9
13298c53918
141735bcb37
15d1906866
hex857ad28d

2239419021 has 48 divisors (see below), whose sum is σ = 3679372800. Its totient is φ = 1204634592.

The previous prime is 2239418999. The next prime is 2239419041. The reversal of 2239419021 is 1209149322.

2239419021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2239419021 - 26 = 2239418957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239419041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452800 + ... + 457718.

It is an arithmetic number, because the mean of its divisors is an integer number (76653600).

Almost surely, 22239419021 is an apocalyptic number.

2239419021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2239419021 is a deficient number, since it is larger than the sum of its proper divisors (1439953779).

2239419021 is a wasteful number, since it uses less digits than its factorization.

2239419021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2239419021 is about 47322.5001558455. The cubic root of 2239419021 is about 1308.3133940065.

The spelling of 2239419021 in words is "two billion, two hundred thirty-nine million, four hundred nineteen thousand, twenty-one".

Divisors: 1 3 7 19 21 49 57 133 147 163 399 489 931 1141 2793 3097 3423 4919 7987 9291 14757 21679 23961 34433 65037 93461 103299 151753 241031 280383 455259 654227 723093 801797 1962681 2405391 4579589 5612579 13738767 15234143 16837737 39288053 45702429 106639001 117864159 319917003 746473007 2239419021