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23301413 = 29803497
BaseRepresentation
bin101100011100…
…0110100100101
31121211211112022
41120320310211
521431121123
62151232525
7402026102
oct130706445
947754468
1023301413
1112175773
127978745
134a9b025
143147aa9
1520a41c8
hex1638d25

23301413 has 4 divisors (see below), whose sum is σ = 24104940. Its totient is φ = 22497888.

The previous prime is 23301403. The next prime is 23301433. The reversal of 23301413 is 31410332.

It is a happy number.

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 11142244 + 12159169 = 3338^2 + 3487^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301413 - 26 = 23301349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23301391 and 23301400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301403) 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, 401720 + ... + 401777.

It is an arithmetic number, because the mean of its divisors is an integer number (6026235).

Almost surely, 223301413 is an apocalyptic number.

It is an amenable number.

23301413 is a deficient number, since it is larger than the sum of its proper divisors (803527).

23301413 is an equidigital number, since it uses as much as digits as its factorization.

23301413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803526.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23301413 is about 4827.1537162183. The cubic root of 23301413 is about 285.6235981111.

Adding to 23301413 its reverse (31410332), we get a palindrome (54711745).

The spelling of 23301413 in words is "twenty-three million, three hundred one thousand, four hundred thirteen".

Divisors: 1 29 803497 23301413