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28224106 = 254725799
BaseRepresentation
bin110101110101…
…0101001101010
31222002221012021
41223222221222
524211132411
62444535054
7461621011
oct153525152
958087167
1028224106
1114a28209
12955148a
135b02871
143a69a78
152727a71
hex1aeaa6a

28224106 has 8 divisors (see below), whose sum is σ = 42415200. Its totient is φ = 14085708.

The previous prime is 28224103. The next prime is 28224109. The reversal of 28224106 is 60142282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28224103) and next prime (28224109).

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

It is not an unprimeable number, because it can be changed into a prime (28224103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11806 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (5301900).

Almost surely, 228224106 is an apocalyptic number.

28224106 is a deficient number, since it is larger than the sum of its proper divisors (14191094).

28224106 is a wasteful number, since it uses less digits than its factorization.

28224106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 28224106 is about 5312.6364453066. The cubic root of 28224106 is about 304.4668855988.

Adding to 28224106 its reverse (60142282), we get a palindrome (88366388).

The spelling of 28224106 in words is "twenty-eight million, two hundred twenty-four thousand, one hundred six".

Divisors: 1 2 547 1094 25799 51598 14112053 28224106