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135445340 = 22544915083
BaseRepresentation
bin10000001001010…
…11101101011100
3100102212100002002
420010223231130
5234133222330
621235021432
73233160242
oct1004535534
9312770062
10135445340
116a5010a8
123943a878
13220a4194
1413dba792
15bd56e45
hex812bb5c

135445340 has 24 divisors (see below), whose sum is σ = 285087600. Its totient is φ = 54053888.

The previous prime is 135445327. The next prime is 135445361. The reversal of 135445340 is 43544531.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (11878650).

Almost surely, 2135445340 is an apocalyptic number.

135445340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135445340 is an abundant number, since it is smaller than the sum of its proper divisors (149642260).

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

135445340 is a wasteful number, since it uses less digits than its factorization.

135445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15541 (or 15539 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 135445340 is about 11638.0986419604. The cubic root of 135445340 is about 513.5562542604.

Adding to 135445340 its reverse (43544531), we get a palindrome (178989871).

The spelling of 135445340 in words is "one hundred thirty-five million, four hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 4490 8980 15083 30166 60332 75415 150830 301660 6772267 13544534 27089068 33861335 67722670 135445340