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27430841 = 107256363
BaseRepresentation
bin110100010100…
…0111110111001
31220121122001002
41220220332321
524010241331
62415534345
7452105204
oct150507671
956548032
1027430841
1114536219
12922a3b5
1358b5789
14390093b
15261c9cb
hex1a28fb9

27430841 has 4 divisors (see below), whose sum is σ = 27687312. Its totient is φ = 27174372.

The previous prime is 27430829. The next prime is 27430849. The reversal of 27430841 is 14803472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27430841 - 210 = 27429817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27430849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128075 + ... + 128288.

It is an arithmetic number, because the mean of its divisors is an integer number (6921828).

Almost surely, 227430841 is an apocalyptic number.

It is an amenable number.

27430841 is a deficient number, since it is larger than the sum of its proper divisors (256471).

27430841 is a wasteful number, since it uses less digits than its factorization.

27430841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256470.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 27430841 is about 5237.4460379082. The cubic root of 27430841 is about 301.5872942521.

The spelling of 27430841 in words is "twenty-seven million, four hundred thirty thousand, eight hundred forty-one".

Divisors: 1 107 256363 27430841