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112440031 = 11233531259
BaseRepresentation
bin1101011001110…
…11001011011111
321211120112201121
412230323023133
5212241040111
615053551411
72533503334
oct654731337
9254515647
10112440031
1158518950
12317a5567
131a3aab82
1410d0c98b
159d10871
hex6b3b2df

112440031 has 16 divisors (see below), whose sum is σ = 128459520. Its totient is φ = 97419520.

The previous prime is 112439993. The next prime is 112440037. The reversal of 112440031 is 130044211.

It is not a de Polignac number, because 112440031 - 221 = 110342879 is a prime.

It is a super-2 number, since 2×1124400312 = 25285521142561922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112439987 and 112440014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112440037) 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, 88680 + ... + 89938.

It is an arithmetic number, because the mean of its divisors is an integer number (8028720).

Almost surely, 2112440031 is an apocalyptic number.

112440031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112440031 is a deficient number, since it is larger than the sum of its proper divisors (16019489).

112440031 is a wasteful number, since it uses less digits than its factorization.

112440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

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

The square root of 112440031 is about 10603.7743751930. The cubic root of 112440031 is about 482.6589001193.

Adding to 112440031 its reverse (130044211), we get a palindrome (242484242).

The spelling of 112440031 in words is "one hundred twelve million, four hundred forty thousand, thirty-one".

Divisors: 1 11 23 253 353 1259 3883 8119 13849 28957 89309 318527 444427 4888697 10221821 112440031