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27430241 = 60145641
BaseRepresentation
bin110100010100…
…0110101100001
31220121121012212
41220220311201
524010231431
62415531505
7452103356
oct150506541
956547185
1027430241
1114535823
129229b95
1358b5417
14390062d
15261c72b
hex1a28d61

27430241 has 4 divisors (see below), whose sum is σ = 27476484. Its totient is φ = 27384000.

The previous prime is 27430229. The next prime is 27430267. The reversal of 27430241 is 14203472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 9120400 = 4279^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 27430241 - 214 = 27413857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27430141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22220 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (6869121).

Almost surely, 227430241 is an apocalyptic number.

It is an amenable number.

27430241 is a deficient number, since it is larger than the sum of its proper divisors (46243).

27430241 is an equidigital number, since it uses as much as digits as its factorization.

27430241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46242.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 27430241 is about 5237.3887577685. The cubic root of 27430241 is about 301.5850953440.

The spelling of 27430241 in words is "twenty-seven million, four hundred thirty thousand, two hundred forty-one".

Divisors: 1 601 45641 27430241