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431112112 = 24171584971
BaseRepresentation
bin11001101100100…
…011111110110000
31010001012202122021
4121230203332300
51340331041422
6110440121224
713453251424
oct3154437660
91101182567
10431112112
11201395a02
12100466214
136b415832
1441382b84
1527cabdc7
hex19b23fb0

431112112 has 20 divisors (see below), whose sum is σ = 884414376. Its totient is φ = 202876160.

The previous prime is 431112107. The next prime is 431112119. The reversal of 431112112 is 211211134.

It is a super-2 number, since 2×4311121122 = 371715306226201088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (431112119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792214 + ... + 792757.

Almost surely, 2431112112 is an apocalyptic number.

It is an amenable number.

431112112 is an abundant number, since it is smaller than the sum of its proper divisors (453302264).

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

431112112 is a wasteful number, since it uses less digits than its factorization.

431112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584996 (or 1584990 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 431112112 is about 20763.2394389700. The cubic root of 431112112 is about 755.4343725036.

Adding to 431112112 its reverse (211211134), we get a palindrome (642323246).

The spelling of 431112112 in words is "four hundred thirty-one million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 1584971 3169942 6339884 12679768 25359536 26944507 53889014 107778028 215556056 431112112