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28848828 = 2232404069
BaseRepresentation
bin110111000001…
…1001010111100
32000021200011010
41232003022330
524341130303
62510155220
7500132241
oct156031274
960250133
1028848828
1115314608
1297b2b10
135c91018
143b8d5c8
1527ecc03
hex1b832bc

28848828 has 12 divisors (see below), whose sum is σ = 67313960. Its totient is φ = 9616272.

The previous prime is 28848811. The next prime is 28848901. The reversal of 28848828 is 82884882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×288488283 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1202023 + ... + 1202046.

Almost surely, 228848828 is an apocalyptic number.

It is an amenable number.

28848828 is an abundant number, since it is smaller than the sum of its proper divisors (38465132).

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

28848828 is a wasteful number, since it uses less digits than its factorization.

28848828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404076 (or 2404074 counting only the distinct ones).

The product of its digits is 524288, while the sum is 48.

The square root of 28848828 is about 5371.1104997012. The cubic root of 28848828 is about 306.6969036558.

The spelling of 28848828 in words is "twenty-eight million, eight hundred forty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2404069 4808138 7212207 9616276 14424414 28848828