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244442945 = 5173461613
BaseRepresentation
bin11101001000111…
…10011101000001
3122000221222200102
432210132131001
51000034133240
640131132145
76025505435
oct1644363501
9560858612
10244442945
11115a8866a
1269a44055
133b8481c6
14246709c5
15166d7815
hexe91e741

244442945 has 16 divisors (see below), whose sum is σ = 296149392. Its totient is φ = 193685760.

The previous prime is 244442929. The next prime is 244442951. The reversal of 244442945 is 549244442.

244442945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 19562929 + 224880016 = 4423^2 + 14996^2 .

It is not a de Polignac number, because 244442945 - 24 = 244442929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244442899 and 244442908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398459 + ... + 399071.

It is an arithmetic number, because the mean of its divisors is an integer number (18509337).

Almost surely, 2244442945 is an apocalyptic number.

It is an amenable number.

244442945 is a deficient number, since it is larger than the sum of its proper divisors (51706447).

244442945 is a wasteful number, since it uses less digits than its factorization.

244442945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its digits is 184320, while the sum is 38.

The square root of 244442945 is about 15634.6712469434. The cubic root of 244442945 is about 625.2578733209.

The spelling of 244442945 in words is "two hundred forty-four million, four hundred forty-two thousand, nine hundred forty-five".

Divisors: 1 5 173 461 613 865 2305 3065 79753 106049 282593 398765 530245 1412965 48888589 244442945