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220243050 = 2355218127
BaseRepresentation
bin11010010000010…
…10010001101010
3120100102111200000
431020022101222
5422340234200
633504323430
75313015006
oct1510122152
9510374600
10220243050
11103359955
1261913576
1336824241
1421371706
1514507300
hexd20a46a

220243050 has 72 divisors (see below), whose sum is σ = 613669056. Its totient is φ = 58728240.

The previous prime is 220243043. The next prime is 220243057. The reversal of 220243050 is 50342022.

It is an interprime number because it is at equal distance from previous prime (220243043) and next prime (220243057).

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

It is not an unprimeable number, because it can be changed into a prime (220243057) 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 35 ways as a sum of consecutive naturals, for example, 3087 + ... + 21213.

Almost surely, 2220243050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220243050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306834528).

220243050 is an abundant number, since it is smaller than the sum of its proper divisors (393426006).

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

220243050 is a wasteful number, since it uses less digits than its factorization.

220243050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18154 (or 18137 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220243050 is about 14840.5879263593. The cubic root of 220243050 is about 603.9033019913.

Adding to 220243050 its reverse (50342022), we get a palindrome (270585072).

The spelling of 220243050 in words is "two hundred twenty million, two hundred forty-three thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 243 270 405 450 486 675 810 1215 1350 2025 2430 4050 6075 12150 18127 36254 54381 90635 108762 163143 181270 271905 326286 453175 489429 543810 815715 906350 978858 1359525 1468287 1631430 2447145 2719050 2936574 4078575 4404861 4894290 7341435 8157150 8809722 12235725 14682870 22024305 24471450 36707175 44048610 73414350 110121525 220243050