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27430271 = 114160821
BaseRepresentation
bin110100010100…
…0110101111111
31220121121020222
41220220311333
524010232041
62415531555
7452103431
oct150506577
956547228
1027430271
1114535850
129229bbb
1358b543b
143900651
15261c74b
hex1a28d7f

27430271 has 8 divisors (see below), whose sum is σ = 30654288. Its totient is φ = 24328000.

The previous prime is 27430267. The next prime is 27430279. The reversal of 27430271 is 17203472.

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 27430271 - 22 = 27430267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27430271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430279) 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, 29960 + ... + 30861.

It is an arithmetic number, because the mean of its divisors is an integer number (3831786).

Almost surely, 227430271 is an apocalyptic number.

27430271 is a deficient number, since it is larger than the sum of its proper divisors (3224017).

27430271 is a wasteful number, since it uses less digits than its factorization.

27430271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60873.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 27430271 is about 5237.3916217904. The cubic root of 27430271 is about 301.5852052902.

The spelling of 27430271 in words is "twenty-seven million, four hundred thirty thousand, two hundred seventy-one".

Divisors: 1 11 41 451 60821 669031 2493661 27430271