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135528788 = 22239715187
BaseRepresentation
bin10000001010000…
…00000101010100
3100110000120112202
420011000011110
5234143410123
621240504032
73233655443
oct1005000524
9313016482
10135528788
116a55886a
123947b018
1322103165
1413ddcd5a
15bd71a28
hex8140154

135528788 has 24 divisors (see below), whose sum is σ = 250055232. Its totient is φ = 64145664.

The previous prime is 135528787. The next prime is 135528793. The reversal of 135528788 is 887825531.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135528781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (10418968).

Almost surely, 2135528788 is an apocalyptic number.

It is an amenable number.

135528788 is a deficient number, since it is larger than the sum of its proper divisors (114526444).

135528788 is a wasteful number, since it uses less digits than its factorization.

135528788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311 (or 15309 counting only the distinct ones).

The product of its digits is 537600, while the sum is 47.

The square root of 135528788 is about 11641.6832116322. The cubic root of 135528788 is about 513.6617001036.

The spelling of 135528788 in words is "one hundred thirty-five million, five hundred twenty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 23 46 92 97 194 388 2231 4462 8924 15187 30374 60748 349301 698602 1397204 1473139 2946278 5892556 33882197 67764394 135528788