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28443614 = 221116737
BaseRepresentation
bin110110010000…
…0001111011110
31222112002022012
41230200033132
524240143424
62453351222
7463523663
oct154401736
958462265
1028443614
1115068121
129638512
135b7b754
143ac5a6a
15276cb0e
hex1b203de

28443614 has 8 divisors (see below), whose sum is σ = 42691968. Its totient is φ = 14212960.

The previous prime is 28443593. The next prime is 28443643. The reversal of 28443614 is 41634482.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 7590.

It is an arithmetic number, because the mean of its divisors is an integer number (5336496).

Almost surely, 228443614 is an apocalyptic number.

28443614 is a deficient number, since it is larger than the sum of its proper divisors (14248354).

28443614 is a wasteful number, since it uses less digits than its factorization.

28443614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850.

The product of its digits is 18432, while the sum is 32.

The square root of 28443614 is about 5333.2554785984. The cubic root of 28443614 is about 305.2541606262.

The spelling of 28443614 in words is "twenty-eight million, four hundred forty-three thousand, six hundred fourteen".

Divisors: 1 2 2111 4222 6737 13474 14221807 28443614