Search a number
-
+
255410231 = 6719071999
BaseRepresentation
bin11110011100101…
…00000000110111
3122210121011222012
433032110000313
51010341111411
641202154435
76220644146
oct1716240067
9583534865
10255410231
1112119953a
1271652a1b
1340bb811b
1425cc775d
151765218b
hexf394037

255410231 has 8 divisors (see below), whose sum is σ = 259488000. Its totient is φ = 251340408.

The previous prime is 255410219. The next prime is 255410251. The reversal of 255410231 is 132014552.

255410231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255410231 - 26 = 255410167 is a prime.

It is a super-2 number, since 2×2554102312 = 130468772198946722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255410197 and 255410206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255410201) 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, 126770 + ... + 128768.

It is an arithmetic number, because the mean of its divisors is an integer number (32436000).

Almost surely, 2255410231 is an apocalyptic number.

255410231 is a deficient number, since it is larger than the sum of its proper divisors (4077769).

255410231 is a wasteful number, since it uses less digits than its factorization.

255410231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 255410231 is about 15981.5590916531. The cubic root of 255410231 is about 634.4724417315.

Adding to 255410231 its reverse (132014552), we get a palindrome (387424783).

The spelling of 255410231 in words is "two hundred fifty-five million, four hundred ten thousand, two hundred thirty-one".

Divisors: 1 67 1907 1999 127769 133933 3812093 255410231