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134105442 = 2331720997
BaseRepresentation
bin1111111111001…
…00100101100010
3100100100021002020
413333210211202
5233312333232
621150202310
73215606652
oct777444542
9310307066
10134105442
1169776449
1238ab3396
1321a25343
1413b4c362
15bb8ee2c
hex7fe4962

134105442 has 16 divisors (see below), whose sum is σ = 276863232. Its totient is φ = 43259760.

The previous prime is 134105441. The next prime is 134105459. The reversal of 134105442 is 244501431.

It is not an unprimeable number, because it can be changed into a prime (134105441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360313 + ... + 360684.

It is an arithmetic number, because the mean of its divisors is an integer number (17303952).

Almost surely, 2134105442 is an apocalyptic number.

134105442 is an abundant number, since it is smaller than the sum of its proper divisors (142757790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134105442 is a wasteful number, since it uses less digits than its factorization.

134105442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721033.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 134105442 is about 11580.3904079267. The cubic root of 134105442 is about 511.8571811330.

Adding to 134105442 its reverse (244501431), we get a palindrome (378606873).

The spelling of 134105442 in words is "one hundred thirty-four million, one hundred five thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 720997 1441994 2162991 4325982 22350907 44701814 67052721 134105442