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255223425 = 3523402979
BaseRepresentation
bin11110011011001…
…10011010000001
3122210020200201110
433031212122001
51010314122200
641154153533
76216235422
oct1715463201
9583220643
10255223425
11121081156
12715828a9
1340b510a2
1425c79649
1517616b50
hexf366681

255223425 has 12 divisors (see below), whose sum is σ = 421969520. Its totient is φ = 136119120.

The previous prime is 255223411. The next prime is 255223427. The reversal of 255223425 is 524322552.

255223425 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 255223425 - 28 = 255223169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255223392 and 255223401.

It is not an unprimeable number, because it can be changed into a prime (255223427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1701415 + ... + 1701564.

Almost surely, 2255223425 is an apocalyptic number.

255223425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255223425 is a deficient number, since it is larger than the sum of its proper divisors (166746095).

255223425 is a wasteful number, since it uses less digits than its factorization.

255223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402992 (or 3402987 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 255223425 is about 15975.7135990853. The cubic root of 255223425 is about 634.3177204869.

Adding to 255223425 its reverse (524322552), we get a palindrome (779545977).

The spelling of 255223425 in words is "two hundred fifty-five million, two hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 3402979 10208937 17014895 51044685 85074475 255223425