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1112244431 = 17544912007
BaseRepresentation
bin100001001001011…
…1000000011001111
32212111212212112012
41002102320003033
54234213310211
6302211131435
736363631064
oct10222700317
92774785465
101112244431
11520918781
122705a3b7b
13149579ccc
14a7a08c6b
15679a3d8b
hex424b80cf

1112244431 has 8 divisors (see below), whose sum is σ = 1177984800. Its totient is φ = 1046539008.

The previous prime is 1112244409. The next prime is 1112244437. The reversal of 1112244431 is 1344422111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112244431 is a prime.

It is a super-2 number, since 2×11122444312 = 2474175348581027522, 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 = 1112244397 and 1112244406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112244437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86630 + ... + 98636.

It is an arithmetic number, because the mean of its divisors is an integer number (147248100).

Almost surely, 21112244431 is an apocalyptic number.

1112244431 is a deficient number, since it is larger than the sum of its proper divisors (65740369).

1112244431 is a wasteful number, since it uses less digits than its factorization.

1112244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473.

The product of its digits is 768, while the sum is 23.

The square root of 1112244431 is about 33350.3287989789. The cubic root of 1112244431 is about 1036.0961978297.

Adding to 1112244431 its reverse (1344422111), we get a palindrome (2456666542).

The spelling of 1112244431 in words is "one billion, one hundred twelve million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 17 5449 12007 92633 204119 65426143 1112244431