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28850058 = 2323734297
BaseRepresentation
bin110111000001…
…1011110001010
32000021201211200
41232003132022
524341200213
62510205030
7500135646
oct156033612
960251750
1028850058
1115315526
1297b3776
135c91753
143b8dc26
1527ed273
hex1b8378a

28850058 has 24 divisors (see below), whose sum is σ = 62690628. Its totient is φ = 9588672.

The previous prime is 28850051. The next prime is 28850077. The reversal of 28850058 is 85005882.

It can be written as a sum of positive squares in 2 ways, for example, as 28804689 + 45369 = 5367^2 + 213^2 .

It is not an unprimeable number, because it can be changed into a prime (28850051) 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, 4566 + ... + 8862.

Almost surely, 228850058 is an apocalyptic number.

28850058 is an abundant number, since it is smaller than the sum of its proper divisors (33840570).

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

28850058 is a wasteful number, since it uses less digits than its factorization.

28850058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 28850058 is about 5371.2249999418. The cubic root of 28850058 is about 306.7012623751.

The spelling of 28850058 in words is "twenty-eight million, eight hundred fifty thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 373 746 1119 2238 3357 4297 6714 8594 12891 25782 38673 77346 1602781 3205562 4808343 9616686 14425029 28850058