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244325137 = 734903591
BaseRepresentation
bin11101001000000…
…01101100010001
3122000202000002011
432210001230101
51000021401022
640124422521
76024505120
oct1644015421
9560660064
10244325137
11115a08101
12699a7a41
133b8066b4
142463dab7
15166b2977
hexe901b11

244325137 has 4 divisors (see below), whose sum is σ = 279228736. Its totient is φ = 209421540.

The previous prime is 244325111. The next prime is 244325141. The reversal of 244325137 is 731523442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244325137 - 223 = 235936529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244325099 and 244325108.

It is not an unprimeable number, because it can be changed into a prime (244325537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17451789 + ... + 17451802.

It is an arithmetic number, because the mean of its divisors is an integer number (69807184).

Almost surely, 2244325137 is an apocalyptic number.

It is an amenable number.

244325137 is a deficient number, since it is larger than the sum of its proper divisors (34903599).

244325137 is an equidigital number, since it uses as much as digits as its factorization.

244325137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34903598.

The product of its digits is 20160, while the sum is 31.

The square root of 244325137 is about 15630.9032688453. The cubic root of 244325137 is about 625.1574105917.

Adding to 244325137 its reverse (731523442), we get a palindrome (975848579).

The spelling of 244325137 in words is "two hundred forty-four million, three hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 7 34903591 244325137