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27793842 = 234632307
BaseRepresentation
bin110101000000…
…1100110110010
31221022001222120
41222001212302
524103400332
62431415110
7455146416
oct152014662
957261876
1027793842
1114763a1a
129384496
1359b1a7b
143996d46
15269032c
hex1a819b2

27793842 has 8 divisors (see below), whose sum is σ = 55587696. Its totient is φ = 9264612.

The previous prime is 27793841. The next prime is 27793847. The reversal of 27793842 is 24839772.

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

27793842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27793794 and 27793803.

It is not an unprimeable number, because it can be changed into a prime (27793841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316148 + ... + 2316159.

It is an arithmetic number, because the mean of its divisors is an integer number (6948462).

Almost surely, 227793842 is an apocalyptic number.

27793842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27793842 is a wasteful number, since it uses less digits than its factorization.

27793842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632312.

The product of its digits is 169344, while the sum is 42.

The square root of 27793842 is about 5271.9865326080. The cubic root of 27793842 is about 302.9118021461.

The spelling of 27793842 in words is "twenty-seven million, seven hundred ninety-three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 4632307 9264614 13896921 27793842