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27993414 = 2315729717
BaseRepresentation
bin110101011001…
…0010101000110
31221200012202010
41222302111012
524131242124
62435555050
7456640311
oct152622506
957605663
1027993414
111488a959
12945ba86
135a51867
143a09978
1526ce529
hex1ab2546

27993414 has 16 divisors (see below), whose sum is σ = 56345328. Its totient is φ = 9271392.

The previous prime is 27993397. The next prime is 27993419. The reversal of 27993414 is 41439972.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27993419) 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, 13917 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (3521583).

Almost surely, 227993414 is an apocalyptic number.

27993414 is an abundant number, since it is smaller than the sum of its proper divisors (28351914).

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

27993414 is a wasteful number, since it uses less digits than its factorization.

27993414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29879.

The product of its digits is 54432, while the sum is 39.

The square root of 27993414 is about 5290.8802670255. The cubic root of 27993414 is about 303.6350870171.

The spelling of 27993414 in words is "twenty-seven million, nine hundred ninety-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 157 314 471 942 29717 59434 89151 178302 4665569 9331138 13996707 27993414