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27143138 = 2111233779
BaseRepresentation
bin110011110001…
…0101111100010
31220002000101102
41213202233202
523422040023
62405434402
7446466341
oct147425742
956060342
1027143138
111435a050
12910ba02
135814839
143867b58
1525b2628
hex19e2be2

27143138 has 8 divisors (see below), whose sum is σ = 44416080. Its totient is φ = 12337780.

The previous prime is 27143119. The next prime is 27143161. The reversal of 27143138 is 83134172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27143138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616868 + ... + 616911.

It is an arithmetic number, because the mean of its divisors is an integer number (5552010).

Almost surely, 227143138 is an apocalyptic number.

27143138 is a deficient number, since it is larger than the sum of its proper divisors (17272942).

27143138 is a wasteful number, since it uses less digits than its factorization.

27143138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233792.

The product of its digits is 4032, while the sum is 29.

The square root of 27143138 is about 5209.9076767252. The cubic root of 27143138 is about 300.5292066595.

The spelling of 27143138 in words is "twenty-seven million, one hundred forty-three thousand, one hundred thirty-eight".

Divisors: 1 2 11 22 1233779 2467558 13571569 27143138