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142583801 is a prime number
BaseRepresentation
bin10000111111110…
…10011111111001
3100221022000012112
420133322133321
5243000140201
622052022105
73350641133
oct1037723771
9327260175
10142583801
1173537358
123b901935
1323703419
1414d18053
15c7b70bb
hex87fa7f9

142583801 has 2 divisors, whose sum is σ = 142583802. Its totient is φ = 142583800.

The previous prime is 142583797. The next prime is 142583843. The reversal of 142583801 is 108385241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125978176 + 16605625 = 11224^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 142583801 - 22 = 142583797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142582801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71291900 + 71291901.

It is an arithmetic number, because the mean of its divisors is an integer number (71291901).

Almost surely, 2142583801 is an apocalyptic number.

It is an amenable number.

142583801 is a deficient number, since it is larger than the sum of its proper divisors (1).

142583801 is an equidigital number, since it uses as much as digits as its factorization.

142583801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 142583801 is about 11940.8459080586. The cubic root of 142583801 is about 522.4243318916.

The spelling of 142583801 in words is "one hundred forty-two million, five hundred eighty-three thousand, eight hundred one".