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28799058 = 234799843
BaseRepresentation
bin110110111011…
…1000001010010
32000012010212210
41231313001102
524333032213
62505132550
7466534161
oct155670122
960163783
1028799058
1115290182
12978a156
135c74482
143b793d8
1527dd0c3
hex1b77052

28799058 has 8 divisors (see below), whose sum is σ = 57598128. Its totient is φ = 9599684.

The previous prime is 28799051. The next prime is 28799083. The reversal of 28799058 is 85099782.

It is a happy number.

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

28799058 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28798998 and 28799016.

It is not an unprimeable number, because it can be changed into a prime (28799051) 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 in 3 ways as a sum of consecutive naturals, for example, 2399916 + ... + 2399927.

It is an arithmetic number, because the mean of its divisors is an integer number (7199766).

Almost surely, 228799058 is an apocalyptic number.

28799058 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.

28799058 is a wasteful number, since it uses less digits than its factorization.

28799058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799848.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 28799058 is about 5366.4753796137. The cubic root of 28799058 is about 306.5204309604.

The spelling of 28799058 in words is "twenty-eight million, seven hundred ninety-nine thousand, fifty-eight".

Divisors: 1 2 3 6 4799843 9599686 14399529 28799058