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112542231 = 3131286367
BaseRepresentation
bin1101011010101…
…00001000010111
321211202201220210
412231110020113
5212302322411
615100100503
72534410314
oct655241027
9254681823
10112542231
115858870a
1231834733
131a415549
1410d37d0b
159d30ca6
hex6b54217

112542231 has 8 divisors (see below), whose sum is σ = 151202304. Its totient is φ = 74455160.

The previous prime is 112542217. The next prime is 112542239. The reversal of 112542231 is 132245211.

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

It is not a de Polignac number, because 112542231 - 26 = 112542167 is a prime.

It is a super-2 number, since 2×1125422312 = 25331507516914722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112542198 and 112542207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112542239) 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, 142791 + ... + 143576.

It is an arithmetic number, because the mean of its divisors is an integer number (18900288).

Almost surely, 2112542231 is an apocalyptic number.

112542231 is a deficient number, since it is larger than the sum of its proper divisors (38660073).

112542231 is a wasteful number, since it uses less digits than its factorization.

112542231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286501.

The product of its digits is 480, while the sum is 21.

The square root of 112542231 is about 10608.5923194362. The cubic root of 112542231 is about 482.8050900529.

Adding to 112542231 its reverse (132245211), we get a palindrome (244787442).

The spelling of 112542231 in words is "one hundred twelve million, five hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 3 131 393 286367 859101 37514077 112542231