Search a number
-
+
23480365 = 543109211
BaseRepresentation
bin101100110010…
…0100000101101
31122011221000011
41121210200231
522002332430
62155133221
7403402606
oct131444055
948157004
1023480365
1112288167
127a44211
134b3160c
143192dad
1520dc22a
hex166482d

23480365 has 8 divisors (see below), whose sum is σ = 28831968. Its totient is φ = 18347280.

The previous prime is 23480363. The next prime is 23480381. The reversal of 23480365 is 56308432.

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

It is not a de Polignac number, because 23480365 - 21 = 23480363 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 (23480363) 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, 54391 + ... + 54820.

It is an arithmetic number, because the mean of its divisors is an integer number (3603996).

Almost surely, 223480365 is an apocalyptic number.

It is an amenable number.

23480365 is a deficient number, since it is larger than the sum of its proper divisors (5351603).

23480365 is a wasteful number, since it uses less digits than its factorization.

23480365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109259.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 23480365 is about 4845.6542385936. The cubic root of 23480365 is about 286.3529190122.

Adding to 23480365 its reverse (56308432), we get a palindrome (79788797).

The spelling of 23480365 in words is "twenty-three million, four hundred eighty thousand, three hundred sixty-five".

Divisors: 1 5 43 215 109211 546055 4696073 23480365