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135331443 = 32132295051
BaseRepresentation
bin10000001000011…
…11111001110011
3100102122112211200
420010033321303
5234121101233
621232342243
73232204212
oct1004177163
9312575750
10135331443
116a433575
12393a4983
13220643a0
1413d8b079
15bd33313
hex810fe73

135331443 has 24 divisors (see below), whose sum is σ = 211476720. Its totient is φ = 82900800.

The previous prime is 135331423. The next prime is 135331451. The reversal of 135331443 is 344133531.

135331443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135331443 - 25 = 135331411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135331403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24268 + ... + 29318.

It is an arithmetic number, because the mean of its divisors is an integer number (8811530).

Almost surely, 2135331443 is an apocalyptic number.

135331443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135331443 is a deficient number, since it is larger than the sum of its proper divisors (76145277).

135331443 is a wasteful number, since it uses less digits than its factorization.

135331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299 (or 5296 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 135331443 is about 11633.2043307079. The cubic root of 135331443 is about 513.4122627925.

Adding to 135331443 its reverse (344133531), we get a palindrome (479464974).

The spelling of 135331443 in words is "one hundred thirty-five million, three hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 9 13 39 117 229 687 2061 2977 5051 8931 15153 26793 45459 65663 196989 590967 1156679 3470037 10410111 15036827 45110481 135331443