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28034048 = 21073911
BaseRepresentation
bin110101011110…
…0010000000000
31221202021111002
41222330100000
524134042143
62440511132
7460166630
oct152742000
957667432
1028034048
1114908439
12947b4a8
135a671c3
143a1a6c0
1526db5b8
hex1abc400

28034048 has 44 divisors (see below), whose sum is σ = 64062912. Its totient is φ = 12011520.

The previous prime is 28034023. The next prime is 28034051. The reversal of 28034048 is 84043082.

It is a self number, because there is not a number n which added to its sum of digits gives 28034048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213 + ... + 9123.

Almost surely, 228034048 is an apocalyptic number.

28034048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28034048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32031456).

28034048 is an abundant number, since it is smaller than the sum of its proper divisors (36028864).

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

28034048 is an equidigital number, since it uses as much as digits as its factorization.

28034048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28034048 is about 5294.7188782786. The cubic root of 28034048 is about 303.7819304046.

The spelling of 28034048 in words is "twenty-eight million, thirty-four thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 3584 3911 7168 7822 15644 27377 31288 54754 62576 109508 125152 219016 250304 438032 500608 876064 1001216 1752128 2002432 3504256 4004864 7008512 14017024 28034048