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142673636 = 2275778831
BaseRepresentation
bin10001000000100…
…00011011100100
3100221110120102202
420200100123210
5243011024021
622053554032
73351464060
oct1040203344
9327416382
10142673636
11735988a6
123b945918
1323735291
1414d3caa0
15c7d3a0b
hex88106e4

142673636 has 24 divisors (see below), whose sum is σ = 285874176. Its totient is φ = 61032960.

The previous prime is 142673617. The next prime is 142673653. The reversal of 142673636 is 636376241.

142673636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142673636.

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, 11741 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (11911424).

Almost surely, 2142673636 is an apocalyptic number.

It is an amenable number.

142673636 is an abundant number, since it is smaller than the sum of its proper divisors (143200540).

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

142673636 is a wasteful number, since it uses less digits than its factorization.

142673636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419 (or 9417 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 142673636 is about 11944.6069839070. The cubic root of 142673636 is about 522.5340267669.

The spelling of 142673636 in words is "one hundred forty-two million, six hundred seventy-three thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 577 1154 2308 4039 8078 8831 16156 17662 35324 61817 123634 247268 5095487 10190974 20381948 35668409 71336818 142673636