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27429913 = 737105907
BaseRepresentation
bin110100010100…
…0110000011001
31220121120202201
41220220300121
524010224123
62415530201
7452102410
oct150506031
956546681
1027429913
1114535555
129229961
1358b5224
143900477
15261c5ad
hex1a28c19

27429913 has 8 divisors (see below), whose sum is σ = 32196032. Its totient is φ = 22875696.

The previous prime is 27429907. The next prime is 27429949. The reversal of 27429913 is 31992472.

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 27429913 - 25 = 27429881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27429953) 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, 52695 + ... + 53212.

It is an arithmetic number, because the mean of its divisors is an integer number (4024504).

Almost surely, 227429913 is an apocalyptic number.

It is an amenable number.

27429913 is a deficient number, since it is larger than the sum of its proper divisors (4766119).

27429913 is a wasteful number, since it uses less digits than its factorization.

27429913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105951.

The product of its digits is 27216, while the sum is 37.

The square root of 27429913 is about 5237.3574443607. The cubic root of 27429913 is about 301.5838932607.

The spelling of 27429913 in words is "twenty-seven million, four hundred twenty-nine thousand, nine hundred thirteen".

Divisors: 1 7 37 259 105907 741349 3918559 27429913