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134430142 = 2711872923
BaseRepresentation
bin10000000001100…
…11110110111110
3100100221202111011
420000303312332
5233403231032
621201145434
73221431420
oct1000636676
9310852434
10134430142
11699783a0
123902b27a
1321b0a082
1413bd4810
15bc06247
hex8033dbe

134430142 has 16 divisors (see below), whose sum is σ = 251402112. Its totient is φ = 52375320.

The previous prime is 134430137. The next prime is 134430161. The reversal of 134430142 is 241034431.

134430142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436308 + ... + 436615.

It is an arithmetic number, because the mean of its divisors is an integer number (15712632).

Almost surely, 2134430142 is an apocalyptic number.

134430142 is a deficient number, since it is larger than the sum of its proper divisors (116971970).

134430142 is a wasteful number, since it uses less digits than its factorization.

134430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872943.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134430142 is about 11594.4013213275. The cubic root of 134430142 is about 512.2699560069.

Adding to 134430142 its reverse (241034431), we get a palindrome (375464573).

The spelling of 134430142 in words is "one hundred thirty-four million, four hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 872923 1745846 6110461 9602153 12220922 19204306 67215071 134430142