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135761530 = 25109312421
BaseRepresentation
bin10000001011110…
…00111001111010
3100110110101210211
420011320321322
5234223332110
621245501334
73235645132
oct1005707172
9313411724
10135761530
116a6a7713
123957184a
1322185088
141405dac2
15bdba98a
hex8178e7a

135761530 has 16 divisors (see below), whose sum is σ = 244614024. Its totient is φ = 54250560.

The previous prime is 135761513. The next prime is 135761551. The reversal of 135761530 is 35167531.

135761530 is digitally balanced in base 2, 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 131813361 + 3948169 = 11481^2 + 1987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135761492 and 135761501.

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, 4720 + ... + 17140.

Almost surely, 2135761530 is an apocalyptic number.

135761530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135761530 is a deficient number, since it is larger than the sum of its proper divisors (108852494).

135761530 is a wasteful number, since it uses less digits than its factorization.

135761530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 135761530 is about 11651.6749868849. The cubic root of 135761530 is about 513.9555670231.

The spelling of 135761530 in words is "one hundred thirty-five million, seven hundred sixty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 1093 2186 5465 10930 12421 24842 62105 124210 13576153 27152306 67880765 135761530