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141143242 = 270571621
BaseRepresentation
bin10000110100110…
…10110011001010
3100211120211010111
420122122303022
5242113040432
622001104534
73332461222
oct1032326312
9324524114
10141143242
1172743009
123b32814a
132331a816
1414a61082
15c5d0347
hex869acca

141143242 has 4 divisors (see below), whose sum is σ = 211714866. Its totient is φ = 70571620.

The previous prime is 141143239. The next prime is 141143251. The reversal of 141143242 is 242341141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242341141 = 734620163.

It can be written as a sum of positive squares in only one way, i.e., 139263601 + 1879641 = 11801^2 + 1371^2 .

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 as a sum of consecutive naturals, namely, 35285809 + ... + 35285812.

Almost surely, 2141143242 is an apocalyptic number.

141143242 is a deficient number, since it is larger than the sum of its proper divisors (70571624).

141143242 is an equidigital number, since it uses as much as digits as its factorization.

141143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70571623.

The product of its digits is 768, while the sum is 22.

The square root of 141143242 is about 11880.3721322188. The cubic root of 141143242 is about 520.6589796318.

Adding to 141143242 its reverse (242341141), we get a palindrome (383484383).

The spelling of 141143242 in words is "one hundred forty-one million, one hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 70571621 141143242