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244136 = 2330517
BaseRepresentation
bin111011100110101000
3110101220002
4323212220
530303021
65122132
72034524
oct734650
9411802
10244136
11157472
12b9348
1387179
1464d84
154c50b
hex3b9a8

244136 has 8 divisors (see below), whose sum is σ = 457770. Its totient is φ = 122064.

The previous prime is 244129. The next prime is 244141. The reversal of 244136 is 631442.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 100 = 494^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244136.

It is an unprimeable number.

244136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251 + ... + 15266.

2244136 is an apocalyptic number.

It is an amenable number.

244136 is a deficient number, since it is larger than the sum of its proper divisors (213634).

244136 is a wasteful number, since it uses less digits than its factorization.

244136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30523 (or 30519 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 244136 is about 494.1012042082. The cubic root of 244136 is about 62.4996053308.

Adding to 244136 its reverse (631442), we get a palindrome (875578).

The spelling of 244136 in words is "two hundred forty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 30517 61034 122068 244136