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23445401 = 73349343
BaseRepresentation
bin101100101101…
…1111110011001
31122010011001012
41121123332121
522000223101
62154303305
7403165640
oct131337631
948104035
1023445401
1112263971
127a27b35
134b1b725
143184357
1520d1bbb
hex165bf99

23445401 has 4 divisors (see below), whose sum is σ = 26794752. Its totient is φ = 20096052.

The previous prime is 23445379. The next prime is 23445413. The reversal of 23445401 is 10454432.

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.

It is a cyclic number.

It is not a de Polignac number, because 23445401 - 222 = 19251097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23445491) 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, 1674665 + ... + 1674678.

It is an arithmetic number, because the mean of its divisors is an integer number (6698688).

Almost surely, 223445401 is an apocalyptic number.

It is an amenable number.

23445401 is a deficient number, since it is larger than the sum of its proper divisors (3349351).

23445401 is an equidigital number, since it uses as much as digits as its factorization.

23445401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349350.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 23445401 is about 4842.0451257707. The cubic root of 23445401 is about 286.2107148467.

Adding to 23445401 its reverse (10454432), we get a palindrome (33899833).

The spelling of 23445401 in words is "twenty-three million, four hundred forty-five thousand, four hundred one".

Divisors: 1 7 3349343 23445401