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113369 = 731553
BaseRepresentation
bin11011101011011001
312202111212
4123223121
512111434
62232505
7651344
oct335331
9182455
10113369
11781a3
1255735
133c7a9
142d45b
15238ce

113369 has 4 divisors (see below), whose sum is σ = 114996. Its totient is φ = 111744.

The previous prime is 113363. The next prime is 113371. The reversal of 113369 is 963311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 78400 = 187^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113369 is a prime.

It is a super-2 number, since 2×1133692 = 25705060322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (113363) 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, 704 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (28749).

2113369 is an apocalyptic number.

It is an amenable number.

113369 is a deficient number, since it is larger than the sum of its proper divisors (1627).

113369 is an equidigital number, since it uses as much as digits as its factorization.

113369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its digits is 486, while the sum is 23.

The square root of 113369 is about 336.7031333386. The cubic root of 113369 is about 48.3984483714.

The spelling of 113369 in words is "one hundred thirteen thousand, three hundred sixty-nine".

Divisors: 1 73 1553 113369