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111304420 = 2256783063
BaseRepresentation
bin1101010001001…
…01111011100100
321202102211221221
412220211323210
5211443220140
615013350124
72521033453
oct650457344
9252384857
10111304420
1157912727
1231338344
131a0a1006
1410ad4b9a
159b8914a
hex6a25ee4

111304420 has 24 divisors (see below), whose sum is σ = 237230784. Its totient is φ = 43856736.

The previous prime is 111304397. The next prime is 111304421. The reversal of 111304420 is 24403111.

It is a junction number, because it is equal to n+sod(n) for n = 111304394 and 111304403.

It is not an unprimeable number, because it can be changed into a prime (111304421) 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, 40192 + ... + 42871.

It is an arithmetic number, because the mean of its divisors is an integer number (9884616).

Almost surely, 2111304420 is an apocalyptic number.

111304420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111304420 is an abundant number, since it is smaller than the sum of its proper divisors (125926364).

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

111304420 is a wasteful number, since it uses less digits than its factorization.

111304420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83139 (or 83137 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111304420 is about 10550.0909948682. The cubic root of 111304420 is about 481.0284949038.

Adding to 111304420 its reverse (24403111), we get a palindrome (135707531).

The spelling of 111304420 in words is "one hundred eleven million, three hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 83063 166126 332252 415315 830630 1661260 5565221 11130442 22260884 27826105 55652210 111304420