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2238345 = 32549741
BaseRepresentation
bin1000100010011110001001
311012201102200
420202132021
51033111340
6115550413
725011534
oct10423611
94181380
102238345
11129977a
128bb409
13604a85
14423a1b
152e3330
hex222789

2238345 has 12 divisors (see below), whose sum is σ = 3879876. Its totient is φ = 1193760.

The previous prime is 2238323. The next prime is 2238347. The reversal of 2238345 is 5438322.

It can be written as a sum of positive squares in 2 ways, for example, as 1527696 + 710649 = 1236^2 + 843^2 .

It is not a de Polignac number, because 2238345 - 27 = 2238217 is a prime.

It is a d-powerful number, because it can be written as 214 + 218 + 3 + 82 + 38 + 43 + 59 .

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2238347) 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, 24826 + ... + 24915.

It is an arithmetic number, because the mean of its divisors is an integer number (323323).

22238345 is an apocalyptic number.

It is an amenable number.

2238345 is a deficient number, since it is larger than the sum of its proper divisors (1641531).

2238345 is a wasteful number, since it uses less digits than its factorization.

2238345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49752 (or 49749 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2238345 is about 1496.1099558522. The cubic root of 2238345 is about 130.8104205709.

The spelling of 2238345 in words is "two million, two hundred thirty-eight thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 49741 149223 248705 447669 746115 2238345