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111268420 = 22511714751
BaseRepresentation
bin1101010000111…
…01001001000100
321202101000120121
412220131021010
5211441042140
615012511324
72520523504
oct650351104
9252330517
10111268420
115789867a
123131b544
131a08a803
1410ac5a04
159b7d64a
hex6a1d244

111268420 has 24 divisors (see below), whose sum is σ = 233912448. Its totient is φ = 44460000.

The previous prime is 111268379. The next prime is 111268429. The reversal of 111268420 is 24862111.

It is a super-2 number, since 2×1112684202 = 24761322578592800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111268429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21045 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (9746352).

Almost surely, 2111268420 is an apocalyptic number.

111268420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111268420 is an abundant number, since it is smaller than the sum of its proper divisors (122644028).

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

111268420 is a wasteful number, since it uses less digits than its factorization.

111268420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931 (or 5929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 111268420 is about 10548.3847104663. The cubic root of 111268420 is about 480.9766284606.

The spelling of 111268420 in words is "one hundred eleven million, two hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1171 2342 4684 4751 5855 9502 11710 19004 23420 23755 47510 95020 5563421 11126842 22253684 27817105 55634210 111268420