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244020243 = 381340081
BaseRepresentation
bin11101000101101…
…11010000010011
3122000011111211210
432202313100103
5444432121433
640114111203
76022065165
oct1642672023
9560144753
10244020243
1111581a025
126987b503
133b72a99c
14245a0935
1516652463
hexe8b7413

244020243 has 4 divisors (see below), whose sum is σ = 325360328. Its totient is φ = 162680160.

The previous prime is 244020229. The next prime is 244020247. The reversal of 244020243 is 342020442.

244020243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 244020243 - 222 = 239825939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244020247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40670038 + ... + 40670043.

It is an arithmetic number, because the mean of its divisors is an integer number (81340082).

Almost surely, 2244020243 is an apocalyptic number.

244020243 is a deficient number, since it is larger than the sum of its proper divisors (81340085).

244020243 is an equidigital number, since it uses as much as digits as its factorization.

244020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81340084.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 244020243 is about 15621.1473010147. The cubic root of 244020243 is about 624.8972571378.

Adding to 244020243 its reverse (342020442), we get a palindrome (586040685).

The spelling of 244020243 in words is "two hundred forty-four million, twenty thousand, two hundred forty-three".

Divisors: 1 3 81340081 244020243