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112402221 = 3250314969
BaseRepresentation
bin1101011001100…
…01111100101101
321211111121212020
412230301330231
5212233332341
615053100353
72533255161
oct654617455
9254447766
10112402221
11584a24a8
12317876b9
131a3968b9
1410cdcca1
159d04566
hex6b31f2d

112402221 has 8 divisors (see below), whose sum is σ = 149939520. Its totient is φ = 74899872.

The previous prime is 112402207. The next prime is 112402243. The reversal of 112402221 is 122204211.

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

It is not a de Polignac number, because 112402221 - 210 = 112401197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112402221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112402201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (18742440).

Almost surely, 2112402221 is an apocalyptic number.

It is an amenable number.

112402221 is a deficient number, since it is larger than the sum of its proper divisors (37537299).

112402221 is a wasteful number, since it uses less digits than its factorization.

112402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 112402221 is about 10601.9913695494. The cubic root of 112402221 is about 482.6047931173.

Adding to 112402221 its reverse (122204211), we get a palindrome (234606432).

The spelling of 112402221 in words is "one hundred twelve million, four hundred two thousand, two hundred twenty-one".

Divisors: 1 3 2503 7509 14969 44907 37467407 112402221