Search a number
-
+
23053505 = 59747533
BaseRepresentation
bin101011111110…
…0010011000001
31121101020110112
41113330103001
521400203010
62142041105
7366644246
oct127742301
947336415
1023053505
1112016492
127879195
134a12237
1430c15cd
152055a05
hex15fc4c1

23053505 has 8 divisors (see below), whose sum is σ = 27949992. Its totient is φ = 18252288.

The previous prime is 23053501. The next prime is 23053507. The reversal of 23053505 is 50535032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9006001 + 14047504 = 3001^2 + 3748^2 .

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 23053505 - 22 = 23053501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23053501) 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, 23282 + ... + 24251.

It is an arithmetic number, because the mean of its divisors is an integer number (3493749).

Almost surely, 223053505 is an apocalyptic number.

It is an amenable number.

23053505 is a deficient number, since it is larger than the sum of its proper divisors (4896487).

23053505 is an equidigital number, since it uses as much as digits as its factorization.

23053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47635.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 23053505 is about 4801.4065647475. The cubic root of 23053505 is about 284.6070505417.

Adding to 23053505 its reverse (50535032), we get a palindrome (73588537).

It can be divided in two parts, 230 and 53505, that added together give a palindrome (53735).

The spelling of 23053505 in words is "twenty-three million, fifty-three thousand, five hundred five".

Divisors: 1 5 97 485 47533 237665 4610701 23053505