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112642212 = 22373149863
BaseRepresentation
bin1101011011011…
…00100010100100
321211221211001210
412231230202210
5212314022322
615102151420
72535304644
oct655544244
9254854053
10112642212
1158646841
1231882570
131a44bbc7
1410d62524
159d5070c
hex6b6c8a4

112642212 has 48 divisors (see below), whose sum is σ = 268531200. Its totient is φ = 36741888.

The previous prime is 112642199. The next prime is 112642259. The reversal of 112642212 is 212246211.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 130093 + ... + 130955.

It is an arithmetic number, because the mean of its divisors is an integer number (5594400).

Almost surely, 2112642212 is an apocalyptic number.

112642212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112642212 is an abundant number, since it is smaller than the sum of its proper divisors (155888988).

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

112642212 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (112642211) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1090).

112642212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1090 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 112642212 is about 10613.3035384841. The cubic root of 112642212 is about 482.9480202454.

Adding to 112642212 its reverse (212246211), we get a palindrome (324888423).

The spelling of 112642212 in words is "one hundred twelve million, six hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 73 146 149 219 292 298 438 447 596 863 876 894 1726 1788 2589 3452 5178 10356 10877 21754 32631 43508 62999 65262 125998 128587 130524 188997 251996 257174 377994 385761 514348 755988 771522 1543044 9386851 18773702 28160553 37547404 56321106 112642212