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105802212 = 22371124181
BaseRepresentation
bin1100100111001…
…10100111100100
321101002022100110
412103212213210
5204041132322
614255413020
72423206155
oct623464744
9241068313
10105802212
11547a484a
122b524170
1318bc5779
14100a192c
15944dc0c
hex64e69e4

105802212 has 24 divisors (see below), whose sum is σ = 250350912. Its totient is φ = 34770400.

The previous prime is 105802189. The next prime is 105802253. The reversal of 105802212 is 212208501.

It is a happy number.

It is a super-2 number, since 2×1058022122 = 22388216128185888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61239 + ... + 62942.

It is an arithmetic number, because the mean of its divisors is an integer number (10431288).

Almost surely, 2105802212 is an apocalyptic number.

105802212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105802212 is an abundant number, since it is smaller than the sum of its proper divisors (144548700).

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

105802212 is a wasteful number, since it uses less digits than its factorization.

105802212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124259 (or 124257 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 105802212 is about 10286.0202216406. The cubic root of 105802212 is about 472.9678085683.

The spelling of 105802212 in words is "one hundred five million, eight hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 124181 248362 372543 496724 745086 1490172 8816851 17633702 26450553 35267404 52901106 105802212