Search a number
-
+
255135430 = 25112319413
BaseRepresentation
bin11110011010100…
…00111011000110
3122210002020000101
433031100323012
51010303313210
641152234314
76215421034
oct1715207306
9583066011
10255135430
11121021030
127153b99a
1340b20014
1425c55554
15175eaa3a
hexf350ec6

255135430 has 16 divisors (see below), whose sum is σ = 500993424. Its totient is φ = 92776480.

The previous prime is 255135421. The next prime is 255135437. The reversal of 255135430 is 34531552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255135437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159597 + ... + 1159816.

It is an arithmetic number, because the mean of its divisors is an integer number (31312089).

Almost surely, 2255135430 is an apocalyptic number.

255135430 is a deficient number, since it is larger than the sum of its proper divisors (245857994).

255135430 is a wasteful number, since it uses less digits than its factorization.

255135430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319431.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 255135430 is about 15972.9593375805. The cubic root of 255135430 is about 634.2448128586.

Adding to 255135430 its reverse (34531552), we get a palindrome (289666982).

The spelling of 255135430 in words is "two hundred fifty-five million, one hundred thirty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2319413 4638826 11597065 23194130 25513543 51027086 127567715 255135430