Search a number
-
+
135288108 = 223217221059
BaseRepresentation
bin10000001000001…
…01010100101100
3100102120100101200
420010011110230
5234113204413
621231405500
73231633654
oct1004052454
9312510350
10135288108
116a403a5a
1239383890
132204a747
1413d79364
15bd25573
hex810552c

135288108 has 36 divisors (see below), whose sum is σ = 362096280. Its totient is φ = 42443136.

The previous prime is 135288089. The next prime is 135288119. The reversal of 135288108 is 801882531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109918 + ... + 111141.

It is an arithmetic number, because the mean of its divisors is an integer number (10058230).

Almost surely, 2135288108 is an apocalyptic number.

135288108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135288108 is an abundant number, since it is smaller than the sum of its proper divisors (226808172).

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

135288108 is a wasteful number, since it uses less digits than its factorization.

135288108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221086 (or 221081 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 135288108 is about 11631.3416251093. The cubic root of 135288108 is about 513.3574563728.

The spelling of 135288108 in words is "one hundred thirty-five million, two hundred eighty-eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 221059 442118 663177 884236 1326354 1989531 2652708 3758003 3979062 7516006 7958124 11274009 15032012 22548018 33822027 45096036 67644054 135288108