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28334108 = 2211643957
BaseRepresentation
bin110110000010…
…1100000011100
31222022112002102
41230011200130
524223142413
62451144232
7462556505
oct154054034
958275072
1028334108
1114aa2920
1295a5078
135b4095a
143a97bac
15274a458
hex1b0581c

28334108 has 12 divisors (see below), whose sum is σ = 54092472. Its totient is φ = 12879120.

The previous prime is 28334107. The next prime is 28334143. The reversal of 28334108 is 80143382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28334107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321935 + ... + 322022.

It is an arithmetic number, because the mean of its divisors is an integer number (4507706).

Almost surely, 228334108 is an apocalyptic number.

It is an amenable number.

28334108 is a deficient number, since it is larger than the sum of its proper divisors (25758364).

28334108 is a wasteful number, since it uses less digits than its factorization.

28334108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643972 (or 643970 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28334108 is about 5322.9792409890. The cubic root of 28334108 is about 304.8619208362.

The spelling of 28334108 in words is "twenty-eight million, three hundred thirty-four thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 643957 1287914 2575828 7083527 14167054 28334108