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28290796 = 227072699
BaseRepresentation
bin110101111101…
…0111011101100
31222020022200021
41223322323230
524220301141
62450211524
7462316312
oct153727354
958208607
1028290796
1114a73326
129583ba4
135b27021
143a860b2
15273c6d1
hex1afaeec

28290796 has 6 divisors (see below), whose sum is σ = 49508900. Its totient is φ = 14145396.

The previous prime is 28290767. The next prime is 28290797. The reversal of 28290796 is 69709282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28290797) by changing a digit.

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 as a sum of consecutive naturals, namely, 3536346 + ... + 3536353.

Almost surely, 228290796 is an apocalyptic number.

It is an amenable number.

28290796 is a deficient number, since it is larger than the sum of its proper divisors (21218104).

28290796 is a wasteful number, since it uses less digits than its factorization.

28290796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072703 (or 7072701 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 28290796 is about 5318.9092866865. The cubic root of 28290796 is about 304.7065025764.

The spelling of 28290796 in words is "twenty-eight million, two hundred ninety thousand, seven hundred ninety-six".

Divisors: 1 2 4 7072699 14145398 28290796