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22828060 = 2251318713
BaseRepresentation
bin101011100010…
…1010000011100
31120221210012201
41113011100130
521320444220
62133141244
7365015053
oct127052034
946853181
1022828060
1111982072
12778a824
134963738
14306339a
15200dd0a
hex15c541c

22828060 has 24 divisors (see below), whose sum is σ = 48310416. Its totient is φ = 9060480.

The previous prime is 22828051. The next prime is 22828061. The reversal of 22828060 is 6082822.

It is a happy number.

It is a super-2 number, since 2×228280602 = 1042240646727200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22828061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737 + ... + 6976.

It is an arithmetic number, because the mean of its divisors is an integer number (2012934).

Almost surely, 222828060 is an apocalyptic number.

22828060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22828060 is an abundant number, since it is smaller than the sum of its proper divisors (25482356).

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

22828060 is a wasteful number, since it uses less digits than its factorization.

22828060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853 (or 8851 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22828060 is about 4777.8719112174. The cubic root of 22828060 is about 283.6762660401.

The spelling of 22828060 in words is "twenty-two million, eight hundred twenty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 8713 17426 34852 43565 87130 174260 1141403 2282806 4565612 5707015 11414030 22828060