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244688238 = 23213593791
BaseRepresentation
bin11101001010110…
…10010101101110
3122001102110011100
432211122111232
51000120010423
640140303530
76030546534
oct1645322556
9561373140
10244688238
11116135993
1269b41ba6
133b902a52
14246d6154
1516735343
hexe95a56e

244688238 has 12 divisors (see below), whose sum is σ = 530157888. Its totient is φ = 81562740.

The previous prime is 244688231. The next prime is 244688243. The reversal of 244688238 is 832886442.

It is a junction number, because it is equal to n+sod(n) for n = 244688193 and 244688202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244688231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6796878 + ... + 6796913.

It is an arithmetic number, because the mean of its divisors is an integer number (44179824).

Almost surely, 2244688238 is an apocalyptic number.

244688238 is an abundant number, since it is smaller than the sum of its proper divisors (285469650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244688238 is a wasteful number, since it uses less digits than its factorization.

244688238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593799 (or 13593796 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 244688238 is about 15642.5138005373. The cubic root of 244688238 is about 625.4669474759.

The spelling of 244688238 in words is "two hundred forty-four million, six hundred eighty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 13593791 27187582 40781373 81562746 122344119 244688238