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28556034 = 2313366103
BaseRepresentation
bin110110011101…
…1101100000010
31222201210111220
41230323230002
524302243114
62500015510
7464502513
oct154735402
958653456
1028556034
1115134631
129691596
135bba980
143b14a0a
1527910a9
hex1b3bb02

28556034 has 16 divisors (see below), whose sum is σ = 61505472. Its totient is φ = 8786448.

The previous prime is 28556027. The next prime is 28556081. The reversal of 28556034 is 43065582.

It is a junction number, because it is equal to n+sod(n) for n = 28555986 and 28556004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 182974 + ... + 183129.

It is an arithmetic number, because the mean of its divisors is an integer number (3844092).

Almost surely, 228556034 is an apocalyptic number.

28556034 is an abundant number, since it is smaller than the sum of its proper divisors (32949438).

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

28556034 is a wasteful number, since it uses less digits than its factorization.

28556034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366121.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 28556034 is about 5343.7846139230. The cubic root of 28556034 is about 305.6557922062.

The spelling of 28556034 in words is "twenty-eight million, five hundred fifty-six thousand, thirty-four".

Divisors: 1 2 3 6 13 26 39 78 366103 732206 1098309 2196618 4759339 9518678 14278017 28556034