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244144121 = 1385921863
BaseRepresentation
bin11101000110101…
…01011111111001
3122000101210202212
432203111133321
51000000102441
640120504505
76023122304
oct1643253771
9560353685
10244144121
111158a4101
126991b135
133b7721a0
14245d3b3b
1516678eeb
hexe8d57f9

244144121 has 8 divisors (see below), whose sum is σ = 263242560. Its totient is φ = 225091152.

The previous prime is 244144097. The next prime is 244144139. The reversal of 244144121 is 121441442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244144121 - 222 = 239949817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244144921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236 + ... + 22098.

It is an arithmetic number, because the mean of its divisors is an integer number (32905320).

Almost surely, 2244144121 is an apocalyptic number.

It is an amenable number.

244144121 is a deficient number, since it is larger than the sum of its proper divisors (19098439).

244144121 is a wasteful number, since it uses less digits than its factorization.

244144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22735.

The product of its digits is 1024, while the sum is 23.

The square root of 244144121 is about 15625.1118715995. Note that the first 3 decimals coincide. The cubic root of 244144121 is about 625.0029832391.

Adding to 244144121 its reverse (121441442), we get a palindrome (365585563).

The spelling of 244144121 in words is "two hundred forty-four million, one hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 13 859 11167 21863 284219 18780317 244144121