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28241614 = 214120807
BaseRepresentation
bin110101110111…
…0111011001110
31222010211012201
41223232323032
524212212424
62445152114
7462023032
oct153567316
958124181
1028241614
1114a3a385
12955b63a
135b0a81b
143a721c2
15272cd44
hex1aeeece

28241614 has 4 divisors (see below), whose sum is σ = 42362424. Its totient is φ = 14120806.

The previous prime is 28241593. The next prime is 28241623. The reversal of 28241614 is 41614282.

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

It is a super-2 number, since 2×282416142 = 1595177522649992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060402 + ... + 7060405.

It is an arithmetic number, because the mean of its divisors is an integer number (10590606).

Almost surely, 228241614 is an apocalyptic number.

28241614 is a deficient number, since it is larger than the sum of its proper divisors (14120810).

28241614 is a wasteful number, since it uses less digits than its factorization.

28241614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120809.

The product of its digits is 3072, while the sum is 28.

The square root of 28241614 is about 5314.2839592931. The cubic root of 28241614 is about 304.5298282997.

Adding to 28241614 its reverse (41614282), we get a palindrome (69855896).

The spelling of 28241614 in words is "twenty-eight million, two hundred forty-one thousand, six hundred fourteen".

Divisors: 1 2 14120807 28241614