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20110224 = 2432914447
BaseRepresentation
bin100110010110…
…1101110010000
31101211201001010
41030231232100
520122011344
61555010520
7332635251
oct114555620
941751033
1020110224
1110396122
126899a40
134221654
142956b28
151b738b9
hex132db90

20110224 has 40 divisors (see below), whose sum is σ = 53746560. Its totient is φ = 6471808.

The previous prime is 20110217. The next prime is 20110229. The reversal of 20110224 is 42201102.

It is a super-2 number, since 2×201102242 = 808842218660352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20110229) 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, 5832 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (1343664).

Almost surely, 220110224 is an apocalyptic number.

20110224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20110224 is an abundant number, since it is smaller than the sum of its proper divisors (33636336).

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

20110224 is a wasteful number, since it uses less digits than its factorization.

20110224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14487 (or 14481 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20110224 is about 4484.4424402594. The cubic root of 20110224 is about 271.9395050009.

Adding to 20110224 its reverse (42201102), we get a palindrome (62311326).

The spelling of 20110224 in words is "twenty million, one hundred ten thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 14447 28894 43341 57788 86682 115576 173364 231152 346728 418963 693456 837926 1256889 1675852 2513778 3351704 5027556 6703408 10055112 20110224