Search a number
-
+
223955625 = 354313853
BaseRepresentation
bin11010101100101…
…00101010101001
3120121102010100210
431112110222221
5424313040000
634120051333
75356406565
oct1526245251
9517363323
10223955625
111054651a3
1263003b49
133752402a
1421a5a6a5
15149dc350
hexd594aa9

223955625 has 40 divisors (see below), whose sum is σ = 385276672. Its totient is φ = 115560000.

The previous prime is 223955621. The next prime is 223955647. The reversal of 223955625 is 526559322.

223955625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223955625 - 22 = 223955621 is a prime.

It is a super-2 number, since 2×2239556252 = 100312243938281250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223955621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56199 + ... + 60051.

Almost surely, 2223955625 is an apocalyptic number.

223955625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223955625 is a deficient number, since it is larger than the sum of its proper divisors (161321047).

223955625 is an equidigital number, since it uses as much as digits as its factorization.

223955625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3892 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 223955625 is about 14965.1470089672. The cubic root of 223955625 is about 607.2776879660.

The spelling of 223955625 in words is "two hundred twenty-three million, nine hundred fifty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 125 155 375 465 625 775 1875 2325 3853 3875 11559 11625 19265 19375 57795 58125 96325 119443 288975 358329 481625 597215 1444875 1791645 2408125 2986075 7224375 8958225 14930375 44791125 74651875 223955625