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141105442 = 270552721
BaseRepresentation
bin10000110100100…
…01100100100010
3100211111220021111
420122101210202
5242110333232
622000213534
73332243062
oct1032214442
9324456244
10141105442
1172717675
123b30a2aa
132330655a
1414a513a2
15c5c4047
hex8691922

141105442 has 4 divisors (see below), whose sum is σ = 211658166. Its totient is φ = 70552720.

The previous prime is 141105439. The next prime is 141105443. The reversal of 141105442 is 244501141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244501141 = 1631500007.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 14070001 = 11271^2 + 3751^2 .

It is not an unprimeable number, because it can be changed into a prime (141105443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35276359 + ... + 35276362.

Almost surely, 2141105442 is an apocalyptic number.

141105442 is a deficient number, since it is larger than the sum of its proper divisors (70552724).

141105442 is an equidigital number, since it uses as much as digits as its factorization.

141105442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70552723.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141105442 is about 11878.7811664329. The cubic root of 141105442 is about 520.6124957281.

Adding to 141105442 its reverse (244501141), we get a palindrome (385606583).

The spelling of 141105442 in words is "one hundred forty-one million, one hundred five thousand, four hundred forty-two".

Divisors: 1 2 70552721 141105442