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113803193 = 716257599
BaseRepresentation
bin1101100100001…
…11111110111001
321221010210122002
412302013332321
5213113200233
615143110345
72551211510
oct662077671
9257123562
10113803193
115926a029
12321423b5
131a76748a
1411185677
159ece6e8
hex6c87fb9

113803193 has 4 divisors (see below), whose sum is σ = 130060800. Its totient is φ = 97545588.

The previous prime is 113803189. The next prime is 113803229. The reversal of 113803193 is 391308311.

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: 391308311 = 811482501.

It is not a de Polignac number, because 113803193 - 22 = 113803189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113803133) 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, 8128793 + ... + 8128806.

It is an arithmetic number, because the mean of its divisors is an integer number (32515200).

Almost surely, 2113803193 is an apocalyptic number.

It is an amenable number.

113803193 is a deficient number, since it is larger than the sum of its proper divisors (16257607).

113803193 is an equidigital number, since it uses as much as digits as its factorization.

113803193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16257606.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 113803193 is about 10667.8579386867. The cubic root of 113803193 is about 484.6015688324.

The spelling of 113803193 in words is "one hundred thirteen million, eight hundred three thousand, one hundred ninety-three".

Divisors: 1 7 16257599 113803193