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27141909 = 323393361
BaseRepresentation
bin110011110001…
…0011100010101
31220001221200220
41213202130111
523422020114
62405424553
7446462634
oct147423425
956057626
1027141909
1114359133
12910b159
135814102
14386751b
1525b20a9
hex19e2715

27141909 has 8 divisors (see below), whose sum is σ = 37762752. Its totient is φ = 17307840.

The previous prime is 27141871. The next prime is 27141923. The reversal of 27141909 is 90914172.

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

It is not a de Polignac number, because 27141909 - 215 = 27109141 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 27141909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27141209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196612 + ... + 196749.

It is an arithmetic number, because the mean of its divisors is an integer number (4720344).

Almost surely, 227141909 is an apocalyptic number.

It is an amenable number.

27141909 is a deficient number, since it is larger than the sum of its proper divisors (10620843).

27141909 is a wasteful number, since it uses less digits than its factorization.

27141909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393387.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 27141909 is about 5209.7897270427. The cubic root of 27141909 is about 300.5246707560.

The spelling of 27141909 in words is "twenty-seven million, one hundred forty-one thousand, nine hundred nine".

Divisors: 1 3 23 69 393361 1180083 9047303 27141909