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135375620 = 2256768781
BaseRepresentation
bin10000001000110…
…10101100000100
3100102201210102212
420010122230010
5234124004440
621233322552
73232450052
oct1004325404
9312653385
10135375620
116a463786
1239406458
132207b523
1413d9d1d2
15bd41465
hex811ab04

135375620 has 12 divisors (see below), whose sum is σ = 284288844. Its totient is φ = 54150240.

The previous prime is 135375619. The next prime is 135375623. The reversal of 135375620 is 26573531.

135375620 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 2 ways, for example, as 76177984 + 59197636 = 8728^2 + 7694^2 .

It is not an unprimeable number, because it can be changed into a prime (135375623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384371 + ... + 3384410.

It is an arithmetic number, because the mean of its divisors is an integer number (23690737).

Almost surely, 2135375620 is an apocalyptic number.

135375620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135375620 is an abundant number, since it is smaller than the sum of its proper divisors (148913224).

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

135375620 is a wasteful number, since it uses less digits than its factorization.

135375620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768790 (or 6768788 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 135375620 is about 11635.1029217622. The cubic root of 135375620 is about 513.4681220605.

The spelling of 135375620 in words is "one hundred thirty-five million, three hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6768781 13537562 27075124 33843905 67687810 135375620