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28636714 = 271201667
BaseRepresentation
bin110110100111…
…1011000101010
31222212220012001
41231033120222
524312333324
62501441214
7465256651
oct155173052
958786161
1028636714
111518a207
12971020a
135c18602
143b36198
1527a9e44
hex1b4f62a

28636714 has 8 divisors (see below), whose sum is σ = 43560288. Its totient is φ = 14116620.

The previous prime is 28636703. The next prime is 28636733. The reversal of 28636714 is 41763682.

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

It is a super-2 number, since 2×286367142 = 1640122777435592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100692 + ... + 100975.

It is an arithmetic number, because the mean of its divisors is an integer number (5445036).

Almost surely, 228636714 is an apocalyptic number.

28636714 is a deficient number, since it is larger than the sum of its proper divisors (14923574).

28636714 is a wasteful number, since it uses less digits than its factorization.

28636714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201740.

The product of its digits is 48384, while the sum is 37.

The square root of 28636714 is about 5351.3282463329. The cubic root of 28636714 is about 305.9433802429.

The spelling of 28636714 in words is "twenty-eight million, six hundred thirty-six thousand, seven hundred fourteen".

Divisors: 1 2 71 142 201667 403334 14318357 28636714