[go: up one dir, main page]

Search a number
-
+
28010202 = 2311424397
BaseRepresentation
bin110101011011…
…0011011011010
31221201001202220
41222312123122
524132311302
62440204510
7460040253
oct152663332
957631686
1028010202
11148a1530
129469736
135a593ac
143a11b2a
1526d44bc
hex1ab66da

28010202 has 16 divisors (see below), whose sum is σ = 61113312. Its totient is φ = 8487920.

The previous prime is 28010183. The next prime is 28010207. The reversal of 28010202 is 20201082.

It is not an unprimeable number, because it can be changed into a prime (28010207) 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, 212133 + ... + 212264.

It is an arithmetic number, because the mean of its divisors is an integer number (3819582).

Almost surely, 228010202 is an apocalyptic number.

28010202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28010202 is an abundant number, since it is smaller than the sum of its proper divisors (33103110).

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

28010202 is a wasteful number, since it uses less digits than its factorization.

28010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424413.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 28010202 is about 5292.4665327237. The cubic root of 28010202 is about 303.6957728054.

Adding to 28010202 its reverse (20201082), we get a palindrome (48211284).

The spelling of 28010202 in words is "twenty-eight million, ten thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 424397 848794 1273191 2546382 4668367 9336734 14005101 28010202