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111054420 = 223254713127
BaseRepresentation
bin1101001111010…
…00111001010100
321201222011000200
412213220321110
5211412220140
615004140500
72515642551
oct647507124
9251864020
10111054420
1157761914
1231237730
131a014299
1410a6ba28
159b3a030
hex69e8e54

111054420 has 72 divisors (see below), whose sum is σ = 344058624. Its totient is φ = 28982208.

The previous prime is 111054413. The next prime is 111054469. The reversal of 111054420 is 24450111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111054393 and 111054402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (4778592).

Almost surely, 2111054420 is an apocalyptic number.

111054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111054420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172029312).

111054420 is an abundant number, since it is smaller than the sum of its proper divisors (233004204).

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

111054420 is a wasteful number, since it uses less digits than its factorization.

111054420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13189 (or 13184 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 111054420 is about 10538.2360952865. The cubic root of 111054420 is about 480.6680801289.

The spelling of 111054420 in words is "one hundred eleven million, fifty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 90 94 141 180 188 235 282 423 470 564 705 846 940 1410 1692 2115 2820 4230 8460 13127 26254 39381 52508 65635 78762 118143 131270 157524 196905 236286 262540 393810 472572 590715 616969 787620 1181430 1233938 1850907 2362860 2467876 3084845 3701814 5552721 6169690 7403628 9254535 11105442 12339380 18509070 22210884 27763605 37018140 55527210 111054420