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28014694 = 214007347
BaseRepresentation
bin110101011011…
…1100001100110
31221201021221021
41222313201212
524132432234
62440241354
7460056331
oct152674146
957637837
1028014694
11148a4944
12947025a
135a5b456
143a13618
1526d59b4
hex1ab7866

28014694 has 4 divisors (see below), whose sum is σ = 42022044. Its totient is φ = 14007346.

The previous prime is 28014689. The next prime is 28014697. The reversal of 28014694 is 49641082.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28014697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003672 + ... + 7003675.

It is an arithmetic number, because the mean of its divisors is an integer number (10505511).

Almost surely, 228014694 is an apocalyptic number.

28014694 is a deficient number, since it is larger than the sum of its proper divisors (14007350).

28014694 is a wasteful number, since it uses less digits than its factorization.

28014694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007349.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 28014694 is about 5292.8908925086. The cubic root of 28014694 is about 303.7120065154.

The spelling of 28014694 in words is "twenty-eight million, fourteen thousand, six hundred ninety-four".

Divisors: 1 2 14007347 28014694