Search a number
-
+
28498176 = 283371931
BaseRepresentation
bin110110010110…
…1100100000000
31222121212011000
41230231210000
524243420201
62454452000
7464142030
oct154554400
958555130
1028498176
11150a5113
129664000
135b9a535
143adb8c0
15277dd86
hex1b2d900

28498176 has 288 divisors, whose sum is σ = 104652800. Its totient is φ = 7464960.

The previous prime is 28498139. The next prime is 28498181. The reversal of 28498176 is 67189482.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919281 + ... + 919311.

Almost surely, 228498176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28498176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52326400).

28498176 is an abundant number, since it is smaller than the sum of its proper divisors (76154624).

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

28498176 is a wasteful number, since it uses less digits than its factorization.

28498176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 62 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 28498176 is about 5338.3682900302. The cubic root of 28498176 is about 305.4492206864.

It can be divided in two parts, 2849 and 8176, that added together give a square (11025 = 1052).

The spelling of 28498176 in words is "twenty-eight million, four hundred ninety-eight thousand, one hundred seventy-six".