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28048038 = 234674673
BaseRepresentation
bin110101011111…
…1101010100110
31221202222200020
41222333222212
524140014123
62441100010
7460255464
oct152775246
957688606
1028048038
11149179a7
129487606
135a70695
143a21834
1526e07e3
hex1abfaa6

28048038 has 8 divisors (see below), whose sum is σ = 56096088. Its totient is φ = 9349344.

The previous prime is 28048021. The next prime is 28048043. The reversal of 28048038 is 83084082.

It is a sphenic number, since it is the product of 3 distinct primes.

28048038 is an admirable number.

It is a congruent number.

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, 2337331 + ... + 2337342.

It is an arithmetic number, because the mean of its divisors is an integer number (7012011).

Almost surely, 228048038 is an apocalyptic number.

28048038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28048038 is a wasteful number, since it uses less digits than its factorization.

28048038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674678.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28048038 is about 5296.0398412399. The cubic root of 28048038 is about 303.8324547105.

The spelling of 28048038 in words is "twenty-eight million, forty-eight thousand, thirty-eight".

Divisors: 1 2 3 6 4674673 9349346 14024019 28048038