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142524448 = 2511236809
BaseRepresentation
bin10000111111011…
…00000000100000
3100221011222210021
420133230000200
5242441240243
622050443224
73350303113
oct1037540040
9327158707
10142524448
11734a6800
123b893514
13236b23c1
1414d0057a
15c7a46ed
hex87ec020

142524448 has 36 divisors (see below), whose sum is σ = 308430990. Its totient is φ = 64782080.

The previous prime is 142524439. The next prime is 142524457. The reversal of 142524448 is 844425241.

It is an interprime number because it is at equal distance from previous prime (142524439) and next prime (142524457).

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 14653584 = 11308^2 + 3828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14533 + ... + 22276.

Almost surely, 2142524448 is an apocalyptic number.

It is an amenable number.

142524448 is an abundant number, since it is smaller than the sum of its proper divisors (165906542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142524448 is a wasteful number, since it uses less digits than its factorization.

142524448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36841 (or 36822 counting only the distinct ones).

The product of its digits is 40960, while the sum is 34.

The square root of 142524448 is about 11938.3603564309. The cubic root of 142524448 is about 522.3518324103.

Adding to 142524448 its reverse (844425241), we get a palindrome (986949689).

The spelling of 142524448 in words is "one hundred forty-two million, five hundred twenty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1936 3872 36809 73618 147236 294472 404899 588944 809798 1177888 1619596 3239192 4453889 6478384 8907778 12956768 17815556 35631112 71262224 142524448