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27430613 = 710935951
BaseRepresentation
bin110100010100…
…0111011010101
31220121121201122
41220220323111
524010234423
62415533325
7452104430
oct150507325
956547648
1027430613
1114536031
12922a245
1358b5642
143900817
15261c8c8
hex1a28ed5

27430613 has 8 divisors (see below), whose sum is σ = 31637760. Its totient is φ = 23295600.

The previous prime is 27430609. The next prime is 27430621. The reversal of 27430613 is 31603472.

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

It is a cyclic number.

It is not a de Polignac number, because 27430613 - 22 = 27430609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430643) 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, 17213 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (3954720).

Almost surely, 227430613 is an apocalyptic number.

It is an amenable number.

27430613 is a deficient number, since it is larger than the sum of its proper divisors (4207147).

27430613 is a wasteful number, since it uses less digits than its factorization.

27430613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36067.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 27430613 is about 5237.4242715289. The cubic root of 27430613 is about 301.5864586708.

The spelling of 27430613 in words is "twenty-seven million, four hundred thirty thousand, six hundred thirteen".

Divisors: 1 7 109 763 35951 251657 3918659 27430613