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135279730 = 2567320101
BaseRepresentation
bin10000001000000…
…11010001110010
3100102112220220101
420010003101302
5234112422410
621231303014
73231600355
oct1004032162
9312486811
10135279730
116a3a8733
123937aa6a
13220469a1
1413d7629c
15bd22d3a
hex8103472

135279730 has 16 divisors (see below), whose sum is σ = 243877464. Its totient is φ = 54028800.

The previous prime is 135279709. The next prime is 135279757. The reversal of 135279730 is 37972531.

135279730 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 87628321 + 47651409 = 9361^2 + 6903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135279730.

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, 3321 + ... + 16780.

Almost surely, 2135279730 is an apocalyptic number.

135279730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135279730 is a deficient number, since it is larger than the sum of its proper divisors (108597734).

135279730 is a wasteful number, since it uses less digits than its factorization.

135279730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 135279730 is about 11630.9814719137. The cubic root of 135279730 is about 513.3468592414.

The spelling of 135279730 in words is "one hundred thirty-five million, two hundred seventy-nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 673 1346 3365 6730 20101 40202 100505 201010 13527973 27055946 67639865 135279730