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112202213 = 1011110913
BaseRepresentation
bin1101011000000…
…01000111100101
321211010110111112
412230001013211
5212210432323
615044514405
72531463104
oct654010745
9254113445
10112202213
1158376202
12316aba05
131a326856
1410c8a03b
159cb5178
hex6b011e5

112202213 has 4 divisors (see below), whose sum is σ = 113313228. Its totient is φ = 111091200.

The previous prime is 112202177. The next prime is 112202221. The reversal of 112202213 is 312202211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312202211 = 1013091111.

It can be written as a sum of positive squares in 2 ways, for example, as 85803169 + 26399044 = 9263^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 112202213 - 26 = 112202149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202263) 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, 555356 + ... + 555557.

It is an arithmetic number, because the mean of its divisors is an integer number (28328307).

Almost surely, 2112202213 is an apocalyptic number.

It is an amenable number.

112202213 is a deficient number, since it is larger than the sum of its proper divisors (1111015).

112202213 is a wasteful number, since it uses less digits than its factorization.

112202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111014.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112202213 is about 10592.5546021722. The cubic root of 112202213 is about 482.3183749095.

Adding to 112202213 its reverse (312202211), we get a palindrome (424404424).

The spelling of 112202213 in words is "one hundred twelve million, two hundred two thousand, two hundred thirteen".

Divisors: 1 101 1110913 112202213