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111284404 = 22711361313
BaseRepresentation
bin1101010001000…
…01000010110100
321202101211111121
412220201002310
5211442100104
615013113324
72520621220
oct650410264
9252354447
10111284404
11578a9690
1231328844
131a094b7a
1410acb780
159b83254
hex6a210b4

111284404 has 24 divisors (see below), whose sum is σ = 242803008. Its totient is φ = 43357440.

The previous prime is 111284399. The next prime is 111284413. The reversal of 111284404 is 404482111.

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, 180349 + ... + 180964.

It is an arithmetic number, because the mean of its divisors is an integer number (10116792).

Almost surely, 2111284404 is an apocalyptic number.

111284404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111284404 is an abundant number, since it is smaller than the sum of its proper divisors (131518604).

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

111284404 is a wasteful number, since it uses less digits than its factorization.

111284404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361335 (or 361333 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 111284404 is about 10549.1423348062. The cubic root of 111284404 is about 480.9996585420. Note that the first 3 decimals are identical.

The spelling of 111284404 in words is "one hundred eleven million, two hundred eighty-four thousand, four hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 361313 722626 1445252 2529191 3974443 5058382 7948886 10116764 15897772 27821101 55642202 111284404