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112732220 = 22538314717
BaseRepresentation
bin1101011100000…
…10100000111100
321212010101112102
412232002200330
5212324412340
615104124232
72536131236
oct656024074
9255111472
10112732220
11586a8427
1231906678
131a480b73
1410d87256
159d6c215
hex6b8283c

112732220 has 24 divisors (see below), whose sum is σ = 237371904. Its totient is φ = 44972096.

The previous prime is 112732189. The next prime is 112732259. The reversal of 112732220 is 22237211.

It is a super-2 number, since 2×1127322202 = 25417106852256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112732192 and 112732201.

It is a congruent number.

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, 302 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (9890496).

Almost surely, 2112732220 is an apocalyptic number.

112732220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112732220 is an abundant number, since it is smaller than the sum of its proper divisors (124639684).

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

112732220 is a wasteful number, since it uses less digits than its factorization.

112732220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15109 (or 15107 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 112732220 is about 10617.5430302872. The cubic root of 112732220 is about 483.0766209763.

Adding to 112732220 its reverse (22237211), we get a palindrome (134969431).

The spelling of 112732220 in words is "one hundred twelve million, seven hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 383 766 1532 1915 3830 7660 14717 29434 58868 73585 147170 294340 5636611 11273222 22546444 28183055 56366110 112732220