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113207 = 791433
BaseRepresentation
bin11011101000110111
312202021212
4123220313
512110312
62232035
7651023
oct335067
9182255
10113207
1178066
125561b
133c6b3
142d383
1523822
hex1ba37

113207 has 4 divisors (see below), whose sum is σ = 114720. Its totient is φ = 111696.

The previous prime is 113189. The next prime is 113209. The reversal of 113207 is 702311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113207 - 26 = 113143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113191 and 113200.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 113207.

It is not an unprimeable number, because it can be changed into a prime (113209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (28680).

2113207 is an apocalyptic number.

113207 is a deficient number, since it is larger than the sum of its proper divisors (1513).

113207 is an equidigital number, since it uses as much as digits as its factorization.

113207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 113207 is about 336.4624793346. The cubic root of 113207 is about 48.3753841997.

Adding to 113207 its reverse (702311), we get a palindrome (815518).

The spelling of 113207 in words is "one hundred thirteen thousand, two hundred seven".

Divisors: 1 79 1433 113207