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142343056 = 248896441
BaseRepresentation
bin10000111101111…
…11101110010000
3100220211202222001
420132333232100
5242414434211
622042523344
73345616222
oct1036775620
9326752861
10142343056
1173392499
123b806554
132364a97b
1414c94412
15c76aac1
hex87bfb90

142343056 has 10 divisors (see below), whose sum is σ = 275789702. Its totient is φ = 71171520.

The previous prime is 142343053. The next prime is 142343081. The reversal of 142343056 is 650343241.

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 50183056 = 9600^2 + 7084^2 .

It is not an unprimeable number, because it can be changed into a prime (142343053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4448205 + ... + 4448236.

Almost surely, 2142343056 is an apocalyptic number.

142343056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142343056 is a deficient number, since it is larger than the sum of its proper divisors (133446646).

142343056 is an equidigital number, since it uses as much as digits as its factorization.

142343056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896449 (or 8896443 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 142343056 is about 11930.7609145435. The cubic root of 142343056 is about 522.1301378873.

Adding to 142343056 its reverse (650343241), we get a palindrome (792686297).

The spelling of 142343056 in words is "one hundred forty-two million, three hundred forty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 8896441 17792882 35585764 71171528 142343056