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28499068 = 2213548059
BaseRepresentation
bin110110010110…
…1110001111100
31222121220101001
41230231301330
524243432233
62454500044
7464144443
oct154556174
958556331
1028499068
11150a5854
129664624
135b9aa70
143adbd5a
15277e27d
hex1b2dc7c

28499068 has 12 divisors (see below), whose sum is σ = 53709880. Its totient is φ = 13153392.

The previous prime is 28499057. The next prime is 28499071. The reversal of 28499068 is 86099482.

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, 273978 + ... + 274081.

Almost surely, 228499068 is an apocalyptic number.

It is an amenable number.

28499068 is a deficient number, since it is larger than the sum of its proper divisors (25210812).

28499068 is a wasteful number, since it uses less digits than its factorization.

28499068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548076 (or 548074 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 28499068 is about 5338.4518355044. The cubic root of 28499068 is about 305.4524075320.

The spelling of 28499068 in words is "twenty-eight million, four hundred ninety-nine thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 548059 1096118 2192236 7124767 14249534 28499068