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113223401 = 1131001977
BaseRepresentation
bin1101011111110…
…10011011101001
321220001100022022
412233322123221
5212441122101
615122434225
72543245244
oct657723351
9256040268
10113223401
1158a03465
1231b02975
131a5c35c5
141107425b
159e17a1b
hex6bfa6e9

113223401 has 4 divisors (see below), whose sum is σ = 114225492. Its totient is φ = 112221312.

The previous prime is 113223391. The next prime is 113223433. The reversal of 113223401 is 104322311.

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 4000000 + 109223401 = 2000^2 + 10451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113223401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113223401.

It is not an unprimeable number, because it can be changed into a prime (113223491) 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, 500876 + ... + 501101.

It is an arithmetic number, because the mean of its divisors is an integer number (28556373).

Almost surely, 2113223401 is an apocalyptic number.

It is an amenable number.

113223401 is a deficient number, since it is larger than the sum of its proper divisors (1002091).

113223401 is a wasteful number, since it uses less digits than its factorization.

113223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002090.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113223401 is about 10640.6485234689. The cubic root of 113223401 is about 483.7772023421. Note that the first 3 decimals are identical.

Adding to 113223401 its reverse (104322311), we get a palindrome (217545712).

The spelling of 113223401 in words is "one hundred thirteen million, two hundred twenty-three thousand, four hundred one".

Divisors: 1 113 1001977 113223401