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135441044 = 221913912821
BaseRepresentation
bin10000001001010…
…10101010010100
3100102212010011222
420010222222110
5234133103134
621234545512
73233141564
oct1004525224
9312763158
10135441044
116a4a8952
1239438298
13220a223b
1413db8da4
15bd55a2e
hex812aa94

135441044 has 24 divisors (see below), whose sum is σ = 251311200. Its totient is φ = 63689760.

The previous prime is 135441041. The next prime is 135441073. The reversal of 135441044 is 440144531.

It is a happy number.

135441044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135441041) 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, 4154 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (10471300).

Almost surely, 2135441044 is an apocalyptic number.

It is an amenable number.

135441044 is a deficient number, since it is larger than the sum of its proper divisors (115870156).

135441044 is a wasteful number, since it uses less digits than its factorization.

135441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12981 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 135441044 is about 11637.9140742661. The cubic root of 135441044 is about 513.5508246138.

Adding to 135441044 its reverse (440144531), we get a palindrome (575585575).

The spelling of 135441044 in words is "one hundred thirty-five million, four hundred forty-one thousand, forty-four".

Divisors: 1 2 4 19 38 76 139 278 556 2641 5282 10564 12821 25642 51284 243599 487198 974396 1782119 3564238 7128476 33860261 67720522 135441044