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28696026 = 234782671
BaseRepresentation
bin110110101110…
…1110111011010
31222222220112210
41231131313122
524321233101
62503015550
7465624612
oct155356732
958886483
1028696026
111521a827
12973a5b6
135c395c8
143b4da42
1527bc7d6
hex1b5ddda

28696026 has 8 divisors (see below), whose sum is σ = 57392064. Its totient is φ = 9565340.

The previous prime is 28695977. The next prime is 28696037. The reversal of 28696026 is 62069682.

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

28696026 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 2391330 + ... + 2391341.

It is an arithmetic number, because the mean of its divisors is an integer number (7174008).

Almost surely, 228696026 is an apocalyptic number.

28696026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28696026 is a wasteful number, since it uses less digits than its factorization.

28696026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782676.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 28696026 is about 5356.8671814784. The cubic root of 28696026 is about 306.1544566041.

The spelling of 28696026 in words is "twenty-eight million, six hundred ninety-six thousand, twenty-six".

Divisors: 1 2 3 6 4782671 9565342 14348013 28696026