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28529108 = 2219223859
BaseRepresentation
bin110110011010…
…1000111010100
31222200102120122
41230311013110
524300412413
62455251112
7464331146
oct154650724
958612518
1028529108
1115116383
129679a98
135bab63a
143b08c96
152788108
hex1b351d4

28529108 has 36 divisors (see below), whose sum is σ = 55046880. Its totient is φ = 12911184.

The previous prime is 28529101. The next prime is 28529113. The reversal of 28529108 is 80192582.

28529108 is a modest number, since divided by 9108 gives 2852 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28529101) 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 11 ways as a sum of consecutive naturals, for example, 32783 + ... + 33641.

It is an arithmetic number, because the mean of its divisors is an integer number (1529080).

Almost surely, 228529108 is an apocalyptic number.

It is an amenable number.

28529108 is a deficient number, since it is larger than the sum of its proper divisors (26517772).

28529108 is a wasteful number, since it uses less digits than its factorization.

28529108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 28529108 is about 5341.2646442579. The cubic root of 28529108 is about 305.5596925403.

The spelling of 28529108 in words is "twenty-eight million, five hundred twenty-nine thousand, one hundred eight".

Divisors: 1 2 4 19 23 38 46 76 92 361 437 722 859 874 1444 1718 1748 3436 8303 16321 16606 19757 32642 33212 39514 65284 79028 310099 375383 620198 750766 1240396 1501532 7132277 14264554 28529108