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28527214 = 2471571933
BaseRepresentation
bin110110011010…
…0101001101110
31222200022222111
41230310221232
524300332324
62455234234
7464322502
oct154645156
958608874
1028527214
1115114a11
12967897a
135baa811
143b08302
152787794
hex1b34a6e

28527214 has 16 divisors (see below), whose sum is σ = 44002368. Its totient is φ = 13864032.

The previous prime is 28527209. The next prime is 28527221. The reversal of 28527214 is 41272582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13792 + ... + 15724.

It is an arithmetic number, because the mean of its divisors is an integer number (2750148).

Almost surely, 228527214 is an apocalyptic number.

28527214 is a deficient number, since it is larger than the sum of its proper divisors (15475154).

28527214 is a wasteful number, since it uses less digits than its factorization.

28527214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its digits is 8960, while the sum is 31.

The square root of 28527214 is about 5341.0873424800. The cubic root of 28527214 is about 305.5529305241.

Adding to 28527214 its reverse (41272582), we get a palindrome (69799796).

It can be divided in two parts, 2852721 and 4, that multiplied together give a square (11410884 = 33782).

The spelling of 28527214 in words is "twenty-eight million, five hundred twenty-seven thousand, two hundred fourteen".

Divisors: 1 2 47 94 157 314 1933 3866 7379 14758 90851 181702 303481 606962 14263607 28527214