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28875106 = 2133113571
BaseRepresentation
bin110111000100…
…1100101100010
32000100000012101
41232021211202
524343000411
62510521014
7500301661
oct156114542
960300171
1028875106
1115332327
12980616a
135c9cc80
143b98dd8
1528058c1
hex1b89962

28875106 has 16 divisors (see below), whose sum is σ = 46807488. Its totient is φ = 13280400.

The previous prime is 28875103. The next prime is 28875107. The reversal of 28875106 is 60157882.

It is a super-2 number, since 2×288751062 = 1667543493022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28875103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (2925468).

Almost surely, 228875106 is an apocalyptic number.

28875106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28875106 is a deficient number, since it is larger than the sum of its proper divisors (17932382).

28875106 is a wasteful number, since it uses less digits than its factorization.

28875106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 28875106 is about 5373.5561781747. The cubic root of 28875106 is about 306.7899973904.

The spelling of 28875106 in words is "twenty-eight million, eight hundred seventy-five thousand, one hundred six".

Divisors: 1 2 13 26 311 622 3571 4043 7142 8086 46423 92846 1110581 2221162 14437553 28875106