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135479860 = 22522133061
BaseRepresentation
bin10000001001101…
…00001000110100
3100102221002102121
420010310020310
5234140323420
621235445324
73233363005
oct1004641064
9312832377
10135479860
116a52502a
1239456844
13220b6ac9
1413dc91ac
15bd622aa
hex8134234

135479860 has 24 divisors (see below), whose sum is σ = 284729256. Its totient is φ = 54149760.

The previous prime is 135479831. The next prime is 135479921. The reversal of 135479860 is 68974531.

135479860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90402064 + 45077796 = 9508^2 + 6714^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42730 + ... + 45790.

It is an arithmetic number, because the mean of its divisors is an integer number (11863719).

Almost surely, 2135479860 is an apocalyptic number.

135479860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135479860 is an abundant number, since it is smaller than the sum of its proper divisors (149249396).

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

135479860 is a wasteful number, since it uses less digits than its factorization.

135479860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 135479860 is about 11639.5816076009. The cubic root of 135479860 is about 513.5998793765.

The spelling of 135479860 in words is "one hundred thirty-five million, four hundred seventy-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2213 3061 4426 6122 8852 11065 12244 15305 22130 30610 44260 61220 6773993 13547986 27095972 33869965 67739930 135479860