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23330141 = 137170293
BaseRepresentation
bin101100011111…
…1110101011101
31121220021221022
41120333311131
521433031031
62152013525
7402205622
oct130776535
947807838
1023330141
111219530a
1279912a5
134aab123
143154349
1520ac97b
hex163fd5d

23330141 has 4 divisors (see below), whose sum is σ = 23500572. Its totient is φ = 23159712.

The previous prime is 23330129. The next prime is 23330147. The reversal of 23330141 is 14103332.

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 5982916 + 17347225 = 2446^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330141 - 214 = 23313757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85010 + ... + 85283.

It is an arithmetic number, because the mean of its divisors is an integer number (5875143).

Almost surely, 223330141 is an apocalyptic number.

It is an amenable number.

23330141 is a deficient number, since it is larger than the sum of its proper divisors (170431).

23330141 is a wasteful number, since it uses less digits than its factorization.

23330141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170430.

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

The square root of 23330141 is about 4830.1284662005. The cubic root of 23330141 is about 285.7409304080.

Adding to 23330141 its reverse (14103332), we get a palindrome (37433473).

The spelling of 23330141 in words is "twenty-three million, three hundred thirty thousand, one hundred forty-one".

Divisors: 1 137 170293 23330141