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23133541 = 47509967
BaseRepresentation
bin101100000111…
…1110101100101
31121112022020211
41120033311211
521410233131
62143455421
7400426504
oct130176545
947468224
1023133541
1112070632
1278b7571
134a3c7b2
14310283b
15206e5b1
hex160fd65

23133541 has 8 divisors (see below), whose sum is σ = 23696640. Its totient is φ = 22573488.

The previous prime is 23133497. The next prime is 23133563. The reversal of 23133541 is 14533132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23133541 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 (23133641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23440 + ... + 24406.

It is an arithmetic number, because the mean of its divisors is an integer number (2962080).

Almost surely, 223133541 is an apocalyptic number.

It is an amenable number.

23133541 is a deficient number, since it is larger than the sum of its proper divisors (563099).

23133541 is an equidigital number, since it uses as much as digits as its factorization.

23133541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its digits is 1080, while the sum is 22.

The square root of 23133541 is about 4809.7339843280. The cubic root of 23133541 is about 284.9360316062.

Adding to 23133541 its reverse (14533132), we get a palindrome (37666673).

The spelling of 23133541 in words is "twenty-three million, one hundred thirty-three thousand, five hundred forty-one".

Divisors: 1 47 509 967 23923 45449 492203 23133541