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28576246 = 214288123
BaseRepresentation
bin110110100000…
…0100111110110
31222202211020111
41231000213312
524303414441
62500253234
7464615446
oct155004766
958684214
1028576246
1115148836
1296a121a
135bc6c2a
143b1c126
152797081
hex1b409f6

28576246 has 4 divisors (see below), whose sum is σ = 42864372. Its totient is φ = 14288122.

The previous prime is 28576241. The next prime is 28576267. The reversal of 28576246 is 64267582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28576199 and 28576208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576241) by changing a digit.

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 as a sum of consecutive naturals, namely, 7144060 + ... + 7144063.

It is an arithmetic number, because the mean of its divisors is an integer number (10716093).

Almost surely, 228576246 is an apocalyptic number.

28576246 is a deficient number, since it is larger than the sum of its proper divisors (14288126).

28576246 is a wasteful number, since it uses less digits than its factorization.

28576246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288125.

The product of its digits is 161280, while the sum is 40.

The square root of 28576246 is about 5345.6754484349. The cubic root of 28576246 is about 305.7278897282.

The spelling of 28576246 in words is "twenty-eight million, five hundred seventy-six thousand, two hundred forty-six".

Divisors: 1 2 14288123 28576246