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27428361 = 317537811
BaseRepresentation
bin110100010100…
…0011000001001
31220121111122020
41220220120021
524010201421
62415515053
7452065032
oct150503011
956544566
1027428361
1114534374
129228a89
1358b45cc
1438dda89
15261bdc6
hex1a28609

27428361 has 8 divisors (see below), whose sum is σ = 38722464. Its totient is φ = 17209920.

The previous prime is 27428353. The next prime is 27428383. The reversal of 27428361 is 16382472.

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

It is not a de Polignac number, because 27428361 - 23 = 27428353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27428341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268855 + ... + 268956.

It is an arithmetic number, because the mean of its divisors is an integer number (4840308).

Almost surely, 227428361 is an apocalyptic number.

It is an amenable number.

27428361 is a deficient number, since it is larger than the sum of its proper divisors (11294103).

27428361 is a wasteful number, since it uses less digits than its factorization.

27428361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537831.

The product of its digits is 16128, while the sum is 33.

The square root of 27428361 is about 5237.2092759408. The cubic root of 27428361 is about 301.5782052243.

The spelling of 27428361 in words is "twenty-seven million, four hundred twenty-eight thousand, three hundred sixty-one".

Divisors: 1 3 17 51 537811 1613433 9142787 27428361