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28692842 = 247305243
BaseRepresentation
bin110110101110…
…1000101101010
31222222202011212
41231131011222
524321132332
62502553122
7465612413
oct155350552
958882155
1028692842
11152183a2
1297387a2
135c38019
143b4c80a
1527bb8b2
hex1b5d16a

28692842 has 8 divisors (see below), whose sum is σ = 43955136. Its totient is φ = 14041132.

The previous prime is 28692841. The next prime is 28692863. The reversal of 28692842 is 24829682.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28692842.

It is not an unprimeable number, because it can be changed into a prime (28692841) 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, 152528 + ... + 152715.

It is an arithmetic number, because the mean of its divisors is an integer number (5494392).

Almost surely, 228692842 is an apocalyptic number.

28692842 is a deficient number, since it is larger than the sum of its proper divisors (15262294).

28692842 is a wasteful number, since it uses less digits than its factorization.

28692842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305292.

The product of its digits is 110592, while the sum is 41.

The square root of 28692842 is about 5356.5699846077. The cubic root of 28692842 is about 306.1431329473.

The spelling of 28692842 in words is "twenty-eight million, six hundred ninety-two thousand, eight hundred forty-two".

Divisors: 1 2 47 94 305243 610486 14346421 28692842