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113222897 = 163694619
BaseRepresentation
bin1101011111110…
…10010011110001
321220001022121122
412233322103301
5212441113042
615122432025
72543243624
oct657722361
9256038548
10113222897
1158a03047
1231b02615
131a5c32c8
1411073dbb
159e177d2
hex6bfa4f1

113222897 has 4 divisors (see below), whose sum is σ = 113917680. Its totient is φ = 112528116.

The previous prime is 113222887. The next prime is 113222909. The reversal of 113222897 is 798222311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798222311 = 4759167729.

It is a cyclic number.

It is not a de Polignac number, because 113222897 - 216 = 113157361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113222887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347147 + ... + 347472.

It is an arithmetic number, because the mean of its divisors is an integer number (28479420).

Almost surely, 2113222897 is an apocalyptic number.

It is an amenable number.

113222897 is a deficient number, since it is larger than the sum of its proper divisors (694783).

113222897 is an equidigital number, since it uses as much as digits as its factorization.

113222897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694782.

The product of its digits is 12096, while the sum is 35.

The square root of 113222897 is about 10640.6248406755. The cubic root of 113222897 is about 483.7764845162.

The spelling of 113222897 in words is "one hundred thirteen million, two hundred twenty-two thousand, eight hundred ninety-seven".

Divisors: 1 163 694619 113222897