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111303420 = 223517109121
BaseRepresentation
bin1101010001001…
…01101011111100
321202102210120220
412220211223330
5211443202140
615013341340
72521030524
oct650455374
9252383526
10111303420
11579119a8
1231337850
131a0a0717
1410ad4684
159b88bd0
hex6a25afc

111303420 has 48 divisors (see below), whose sum is σ = 329984928. Its totient is φ = 27934720.

The previous prime is 111303407. The next prime is 111303427. The reversal of 111303420 is 24303111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111303420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111303427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53541 + ... + 55580.

It is an arithmetic number, because the mean of its divisors is an integer number (6874686).

Almost surely, 2111303420 is an apocalyptic number.

111303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111303420 is an abundant number, since it is smaller than the sum of its proper divisors (218681508).

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

111303420 is a wasteful number, since it uses less digits than its factorization.

111303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109150 (or 109148 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 111303420 is about 10550.0436018056. The cubic root of 111303420 is about 481.0270543203.

Adding to 111303420 its reverse (24303111), we get a palindrome (135606531).

The spelling of 111303420 in words is "one hundred eleven million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 109121 218242 327363 436484 545605 654726 1091210 1309452 1636815 1855057 2182420 3273630 3710114 5565171 6547260 7420228 9275285 11130342 18550570 22260684 27825855 37101140 55651710 111303420