Search a number
-
+
28334300 = 2252674229
BaseRepresentation
bin110110000010…
…1100011011100
31222022112100112
41230011203130
524223144200
62451145152
7462560201
oct154054334
958275315
1028334300
1114aa2a85
1295a51b8
135b40a77
143a97ca8
15274a535
hex1b058dc

28334300 has 36 divisors (see below), whose sum is σ = 62417880. Its totient is φ = 11161920.

The previous prime is 28334281. The next prime is 28334311. The reversal of 28334300 is 343382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4586 + ... + 8814.

It is an arithmetic number, because the mean of its divisors is an integer number (1733830).

Almost surely, 228334300 is an apocalyptic number.

28334300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28334300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31208940).

28334300 is an abundant number, since it is smaller than the sum of its proper divisors (34083580).

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

28334300 is a wasteful number, since it uses less digits than its factorization.

28334300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 28334300 is about 5322.9972759715. The cubic root of 28334300 is about 304.8626094451.

Adding to 28334300 its reverse (343382), we get a palindrome (28677682).

The spelling of 28334300 in words is "twenty-eight million, three hundred thirty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 335 670 1340 1675 3350 4229 6700 8458 16916 21145 42290 84580 105725 211450 283343 422900 566686 1133372 1416715 2833430 5666860 7083575 14167150 28334300