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23528533 = 73499631
BaseRepresentation
bin101100111000…
…0010001010101
31122021101002011
41121300101111
522010403113
62200144221
7403663210
oct131602125
948241064
1023528533
1112310376
127a68071
134b4a512
1431a6777
1520eb63d
hex1670455

23528533 has 8 divisors (see below), whose sum is σ = 26969600. Its totient is φ = 20107440.

The previous prime is 23528513. The next prime is 23528537. The reversal of 23528533 is 33582532.

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-23528533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23528495 and 23528504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373 + ... + 7258.

It is an arithmetic number, because the mean of its divisors is an integer number (3371200).

Almost surely, 223528533 is an apocalyptic number.

It is an amenable number.

23528533 is a deficient number, since it is larger than the sum of its proper divisors (3441067).

23528533 is an equidigital number, since it uses as much as digits as its factorization.

23528533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987.

The product of its digits is 21600, while the sum is 31.

The square root of 23528533 is about 4850.6219188883. The cubic root of 23528533 is about 286.5485949366.

The spelling of 23528533 in words is "twenty-three million, five hundred twenty-eight thousand, five hundred thirty-three".

Divisors: 1 7 349 2443 9631 67417 3361219 23528533