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135543828 = 22377122727
BaseRepresentation
bin10000001010000…
…11110000010100
3100110001100011210
420011003300110
5234144400303
621241101420
73234050340
oct1005036024
9313040153
10135543828
116a5690a2
1239487870
1322109c64
1414004620
15bd76203
hex8143c14

135543828 has 48 divisors (see below), whose sum is σ = 366557184. Its totient is φ = 38179680.

The previous prime is 135543809. The next prime is 135543829. The reversal of 135543828 is 828345531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135543829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5400 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (7636608).

Almost surely, 2135543828 is an apocalyptic number.

It is an amenable number.

135543828 is an abundant number, since it is smaller than the sum of its proper divisors (231013356).

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

135543828 is a wasteful number, since it uses less digits than its factorization.

135543828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812 (or 22810 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 135543828 is about 11642.3291484136. The cubic root of 135543828 is about 513.6807002150.

The spelling of 135543828 in words is "one hundred thirty-five million, five hundred forty-three thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 22727 45454 68181 90908 136362 159089 272724 318178 477267 636356 954534 1613617 1909068 3227234 4840851 6454468 9681702 11295319 19363404 22590638 33885957 45181276 67771914 135543828