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244440043 = 298428967
BaseRepresentation
bin11101001000111…
…01101111101011
3122000221211200221
432210131233223
51000034040133
640131110511
76025464121
oct1644355753
9560854627
10244440043
11115a86471
1269a42437
133b846aa3
142466d911
15166d6a2d
hexe91dbeb

244440043 has 4 divisors (see below), whose sum is σ = 252869040. Its totient is φ = 236011048.

The previous prime is 244440037. The next prime is 244440061. The reversal of 244440043 is 340044442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340044442 = 2170022221.

It is not a de Polignac number, because 244440043 - 25 = 244440011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244440023) 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, 4214455 + ... + 4214512.

It is an arithmetic number, because the mean of its divisors is an integer number (63217260).

Almost surely, 2244440043 is an apocalyptic number.

244440043 is a deficient number, since it is larger than the sum of its proper divisors (8428997).

244440043 is an equidigital number, since it uses as much as digits as its factorization.

244440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428996.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 244440043 is about 15634.5784401115. The cubic root of 244440043 is about 625.2553989800.

Adding to 244440043 its reverse (340044442), we get a palindrome (584484485).

The spelling of 244440043 in words is "two hundred forty-four million, four hundred forty thousand, forty-three".

Divisors: 1 29 8428967 244440043