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27470029 = 199371543
BaseRepresentation
bin110100011001…
…0100011001101
31220200121210111
41220302203031
524013020104
62420440021
7452330356
oct150624315
956617714
1027470029
1114562704
129249011
1358ca572
143910d2d
152629404
hex1a328cd

27470029 has 8 divisors (see below), whose sum is σ = 28965440. Its totient is φ = 25979616.

The previous prime is 27470017. The next prime is 27470033. The reversal of 27470029 is 92007472.

It is a happy number.

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 27470029 - 29 = 27469517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27470039) 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, 17032 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (3620680).

Almost surely, 227470029 is an apocalyptic number.

It is an amenable number.

27470029 is a deficient number, since it is larger than the sum of its proper divisors (1495411).

27470029 is a wasteful number, since it uses less digits than its factorization.

27470029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27470029 is about 5241.1858391017. The cubic root of 27470029 is about 301.7308428864.

The spelling of 27470029 in words is "twenty-seven million, four hundred seventy thousand, twenty-nine".

Divisors: 1 19 937 1543 17803 29317 1445791 27470029