Search a number
-
+
10228500 = 2232532273
BaseRepresentation
bin100111000001…
…001100010100
3201020122212100
4213001030110
510104303000
61003122100
7152640462
oct47011424
921218770
1010228500
115856907
123513330
132171889
141503832
15d70a00
hex9c1314

10228500 has 72 divisors (see below), whose sum is σ = 32281704. Its totient is φ = 2726400.

The previous prime is 10228489. The next prime is 10228511. The reversal of 10228500 is 582201.

It is an interprime number because it is at equal distance from previous prime (10228489) and next prime (10228511).

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 10227204 = 36^2 + 3198^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3364 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (448357).

Almost surely, 210228500 is an apocalyptic number.

10228500 is a gapful number since it is divisible by the number (10) 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 10228500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16140852).

10228500 is an abundant number, since it is smaller than the sum of its proper divisors (22053204).

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

10228500 is a wasteful number, since it uses less digits than its factorization.

10228500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 10228500 is about 3198.2026202228. The cubic root of 10228500 is about 217.0720877248.

The spelling of 10228500 in words is "ten million, two hundred twenty-eight thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 125 150 180 225 250 300 375 450 500 750 900 1125 1500 2250 2273 4500 4546 6819 9092 11365 13638 20457 22730 27276 34095 40914 45460 56825 68190 81828 102285 113650 136380 170475 204570 227300 284125 340950 409140 511425 568250 681900 852375 1022850 1136500 1704750 2045700 2557125 3409500 5114250 10228500