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244145051 = 667336587
BaseRepresentation
bin11101000110101…
…01101110011011
3122000101212001022
432203111232123
51000000120201
640120513055
76023125103
oct1643255633
9560355038
10244145051
111158a4877
126991b78b
133b772737
14245d4203
151667941b
hexe8d5b9b

244145051 has 4 divisors (see below), whose sum is σ = 244188312. Its totient is φ = 244101792.

The previous prime is 244144991. The next prime is 244145053. The reversal of 244145051 is 150541442.

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

It is a cyclic number.

It is not a de Polignac number, because 244145051 - 26 = 244144987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244145051.

It is not an unprimeable number, because it can be changed into a prime (244145053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11621 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (61047078).

Almost surely, 2244145051 is an apocalyptic number.

244145051 is a deficient number, since it is larger than the sum of its proper divisors (43261).

244145051 is an equidigital number, since it uses as much as digits as its factorization.

244145051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43260.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 244145051 is about 15625.1416313581. The cubic root of 244145051 is about 625.0037768305.

Adding to 244145051 its reverse (150541442), we get a palindrome (394686493).

The spelling of 244145051 in words is "two hundred forty-four million, one hundred forty-five thousand, fifty-one".

Divisors: 1 6673 36587 244145051