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135942968 = 23710932221
BaseRepresentation
bin10000001101001…
…01001100111000
3100110210121200202
420012211030320
5234300133333
621253421332
73240332120
oct1006451470
9313717622
10135942968
116a810a67
123963a848
1322219835
14140a9c80
15be045e8
hex81a5338

135942968 has 32 divisors (see below), whose sum is σ = 291704160. Its totient is φ = 58181760.

The previous prime is 135942943. The next prime is 135942971. The reversal of 135942968 is 869249531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60098 + ... + 62318.

It is an arithmetic number, because the mean of its divisors is an integer number (9115755).

Almost surely, 2135942968 is an apocalyptic number.

It is an amenable number.

135942968 is an abundant number, since it is smaller than the sum of its proper divisors (155761192).

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

135942968 is a wasteful number, since it uses less digits than its factorization.

135942968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3323 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 135942968 is about 11659.4583064566. The cubic root of 135942968 is about 514.1844231144.

The spelling of 135942968 in words is "one hundred thirty-five million, nine hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 1093 2186 2221 4372 4442 7651 8744 8884 15302 15547 17768 30604 31094 61208 62188 124376 2427553 4855106 9710212 16992871 19420424 33985742 67971484 135942968