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112440420 = 22335208223
BaseRepresentation
bin1101011001110…
…11010001100100
321211120120021000
412230323101210
5212241043140
615053553300
72533504431
oct654732144
9254516230
10112440420
1158519174
12317a5830
131a3ab0c1
1410d0cb88
159d10a30
hex6b3b464

112440420 has 48 divisors (see below), whose sum is σ = 349816320. Its totient is φ = 29983968.

The previous prime is 112440389. The next prime is 112440443. The reversal of 112440420 is 24044211.

112440420 is a `hidden beast` number, since 1 + 1 + 244 + 0 + 420 = 666.

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 = 112440393 and 112440402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103572 + ... + 104651.

It is an arithmetic number, because the mean of its divisors is an integer number (7287840).

Almost surely, 2112440420 is an apocalyptic number.

112440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112440420 is an abundant number, since it is smaller than the sum of its proper divisors (237375900).

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

112440420 is a wasteful number, since it uses less digits than its factorization.

112440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208241 (or 208233 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 112440420 is about 10603.7927177025. The cubic root of 112440420 is about 482.6594567244.

Adding to 112440420 its reverse (24044211), we get a palindrome (136484631).

The spelling of 112440420 in words is "one hundred twelve million, four hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 208223 416446 624669 832892 1041115 1249338 1874007 2082230 2498676 3123345 3748014 4164460 5622021 6246690 7496028 9370035 11244042 12493380 18740070 22488084 28110105 37480140 56220210 112440420