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28882608 = 2432920749
BaseRepresentation
bin110111000101…
…1011010110000
32000100101111020
41232023122300
524343220413
62511015440
7500332566
oct156133260
960311436
1028882608
1115337a27
12980a580
135ca3501
143b9ba36
152807c23
hex1b8b6b0

28882608 has 40 divisors (see below), whose sum is σ = 77190000. Its totient is φ = 9295104.

The previous prime is 28882591. The next prime is 28882613. The reversal of 28882608 is 80628882.

It is a self number, because there is not a number n which added to its sum of digits gives 28882608.

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, 8983 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (1929750).

Almost surely, 228882608 is an apocalyptic number.

It is an amenable number.

28882608 is an abundant number, since it is smaller than the sum of its proper divisors (48307392).

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

28882608 is a wasteful number, since it uses less digits than its factorization.

28882608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20789 (or 20783 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 28882608 is about 5374.2541808143. The cubic root of 28882608 is about 306.8165639800.

The spelling of 28882608 in words is "twenty-eight million, eight hundred eighty-two thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 20749 41498 62247 82996 124494 165992 248988 331984 497976 601721 995952 1203442 1805163 2406884 3610326 4813768 7220652 9627536 14441304 28882608