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1142414444 = 221999715077
BaseRepresentation
bin100010000010111…
…1101110001101100
32221121122200000002
41010011331301230
54314424230234
6305205523432
740211235233
oct10405756154
92847580002
101142414444
11536954976
1227a713578
131528b14a2
14aba1db1a
156a46327e
hex4417dc6c

1142414444 has 24 divisors (see below), whose sum is σ = 2106698160. Its totient is φ = 540565056.

The previous prime is 1142414443. The next prime is 1142414453. The reversal of 1142414444 is 4444142411.

It is a happy number.

It is a super-2 number, since 2×11424144442 = 2610221523719658272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1142414443) 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, 68234 + ... + 83310.

It is an arithmetic number, because the mean of its divisors is an integer number (87779090).

Almost surely, 21142414444 is an apocalyptic number.

It is an amenable number.

1142414444 is a deficient number, since it is larger than the sum of its proper divisors (964283716).

1142414444 is a wasteful number, since it uses less digits than its factorization.

1142414444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16095 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 1142414444 is about 33799.6219505485. The cubic root of 1142414444 is about 1045.3809021767.

Adding to 1142414444 its reverse (4444142411), we get a palindrome (5586556855).

The spelling of 1142414444 in words is "one billion, one hundred forty-two million, four hundred fourteen thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 997 1994 3988 15077 18943 30154 37886 60308 75772 286463 572926 1145852 15031769 30063538 60127076 285603611 571207222 1142414444