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142113344 = 262220521
BaseRepresentation
bin10000111100001…
…11101001000000
3100220102002212012
420132013221000
5242340111334
622033552052
73343641422
oct1036075100
9326362765
10142113344
117324594a
123b715628
132359a249
1414c34812
15c7229ce
hex8787a40

142113344 has 14 divisors (see below), whose sum is σ = 282006294. Its totient is φ = 71056640.

The previous prime is 142113341. The next prime is 142113371. The reversal of 142113344 is 443311241.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 8479744 = 11560^2 + 2912^2 .

It is not an unprimeable number, because it can be changed into a prime (142113341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110197 + ... + 1110324.

Almost surely, 2142113344 is an apocalyptic number.

It is an amenable number.

142113344 is a deficient number, since it is larger than the sum of its proper divisors (139892950).

142113344 is an equidigital number, since it uses as much as digits as its factorization.

142113344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220533 (or 2220523 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 142113344 is about 11921.1301477670. The cubic root of 142113344 is about 521.8491169541.

Adding to 142113344 its reverse (443311241), we get a palindrome (585424585).

The spelling of 142113344 in words is "one hundred forty-two million, one hundred thirteen thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 2220521 4441042 8882084 17764168 35528336 71056672 142113344