Search a number
-
+
23203625 = 532937173
BaseRepresentation
bin101100010000…
…0111100101001
31121122212101112
41120200330221
521420004000
62145200105
7401141024
oct130407451
947585345
1023203625
1112109255
127930035
134a65673
1431201bb
152085235
hex1620f29

23203625 has 32 divisors (see below), whose sum is σ = 30944160. Its totient is φ = 17337600.

The previous prime is 23203613. The next prime is 23203627. The reversal of 23203625 is 52630232.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 5697769 + 17505856 = 2387^2 + 4184^2 .

It is not a de Polignac number, because 23203625 - 218 = 22941481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23203625.

It is not an unprimeable number, because it can be changed into a prime (23203627) 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 31 ways as a sum of consecutive naturals, for example, 134039 + ... + 134211.

It is an arithmetic number, because the mean of its divisors is an integer number (967005).

Almost surely, 223203625 is an apocalyptic number.

23203625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23203625 is a deficient number, since it is larger than the sum of its proper divisors (7740535).

23203625 is a wasteful number, since it uses less digits than its factorization.

23203625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23203625 is about 4817.0141166494. The cubic root of 23203625 is about 285.2234832710.

Adding to 23203625 its reverse (52630232), we get a palindrome (75833857).

It can be divided in two parts, 2320 and 3625, that multiplied together give a square (8410000 = 29002).

The spelling of 23203625 in words is "twenty-three million, two hundred three thousand, six hundred twenty-five".

Divisors: 1 5 25 29 37 125 145 173 185 725 865 925 1073 3625 4325 4625 5017 5365 6401 21625 25085 26825 32005 125425 134125 160025 185629 627125 800125 928145 4640725 23203625