Search a number
-
+
142041365 = 528408273
BaseRepresentation
bin10000111011101…
…10000100010101
3100220021110010022
420131312010111
5242330310430
622032234525
73343221524
oct1035660425
9326243108
10142041365
11731a6864
123b69ba45
132357355b
1414c164bb
15c70b4e5
hex8776115

142041365 has 4 divisors (see below), whose sum is σ = 170449644. Its totient is φ = 113633088.

The previous prime is 142041337. The next prime is 142041371. The reversal of 142041365 is 563140241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563140241 = 2919418629.

It can be written as a sum of positive squares in 2 ways, for example, as 47582404 + 94458961 = 6898^2 + 9719^2 .

It is a cyclic number.

It is not a de Polignac number, because 142041365 - 216 = 141975829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14204132 + ... + 14204141.

It is an arithmetic number, because the mean of its divisors is an integer number (42612411).

Almost surely, 2142041365 is an apocalyptic number.

It is an amenable number.

142041365 is a deficient number, since it is larger than the sum of its proper divisors (28408279).

142041365 is an equidigital number, since it uses as much as digits as its factorization.

142041365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28408278.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 142041365 is about 11918.1107982767. The cubic root of 142041365 is about 521.7609982738.

The spelling of 142041365 in words is "one hundred forty-two million, forty-one thousand, three hundred sixty-five".

Divisors: 1 5 28408273 142041365