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1144162442 = 224115111571
BaseRepresentation
bin100010000110010…
…1000100010001010
32221201221110210202
41010030220202022
54320401144232
6305311212202
740232135363
oct10414504212
92851843722
101144162442
115379391a5
1227b217062
13153073cc7
14abd56b6a
156a6ab162
hex4432888a

1144162442 has 16 divisors (see below), whose sum is σ = 1725603264. Its totient is φ = 568968000.

The previous prime is 1144162429. The next prime is 1144162457. The reversal of 1144162442 is 2442614411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727517 + ... + 729087.

It is an arithmetic number, because the mean of its divisors is an integer number (107850204).

Almost surely, 21144162442 is an apocalyptic number.

1144162442 is a deficient number, since it is larger than the sum of its proper divisors (581440822).

1144162442 is a wasteful number, since it uses less digits than its factorization.

1144162442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325.

The product of its digits is 6144, while the sum is 29.

The square root of 1144162442 is about 33825.4703145426. The cubic root of 1144162442 is about 1045.9138064238.

Adding to 1144162442 its reverse (2442614411), we get a palindrome (3586776853).

The spelling of 1144162442 in words is "one billion, one hundred forty-four million, one hundred sixty-two thousand, four hundred forty-two".

Divisors: 1 2 241 482 1511 1571 3022 3142 364151 378611 728302 757222 2373781 4747562 572081221 1144162442