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23482805 = 522920509
BaseRepresentation
bin101100110010…
…1000110110101
31122012001100112
41121211012311
522002422210
62155152405
7403412663
oct131450665
948161315
1023482805
1112289a85
127a45705
134b32768
143193c33
1520dcd05
hex16651b5

23482805 has 8 divisors (see below), whose sum is σ = 28303800. Its totient is φ = 18703296.

The previous prime is 23482801. The next prime is 23482813. The reversal of 23482805 is 50828432.

It can be written as a sum of positive squares in 4 ways, for example, as 3964081 + 19518724 = 1991^2 + 4418^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23482805 - 22 = 23482801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23482801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9110 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (3537975).

Almost surely, 223482805 is an apocalyptic number.

It is an amenable number.

23482805 is a deficient number, since it is larger than the sum of its proper divisors (4820995).

23482805 is a wasteful number, since it uses less digits than its factorization.

23482805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20743.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 23482805 is about 4845.9060040409. The cubic root of 23482805 is about 286.3628376105.

The spelling of 23482805 in words is "twenty-three million, four hundred eighty-two thousand, eight hundred five".

Divisors: 1 5 229 1145 20509 102545 4696561 23482805