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255010231 = 774349031
BaseRepresentation
bin11110011001100…
…10010110110111
3122202211212021101
433030302112313
51010240311411
641145430531
76214360030
oct1714622667
9582755241
10255010231
11120a45a63
127149b447
1340aa8038
1425c21a87
15175c38c1
hexf3325b7

255010231 has 8 divisors (see below), whose sum is σ = 291838464. Its totient is φ = 218281560.

The previous prime is 255010207. The next prime is 255010237. The reversal of 255010231 is 132010552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255010231 - 25 = 255010199 is a prime.

It is a super-2 number, since 2×2550102312 = 130060435829346722, 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 = 255010199 and 255010208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255010237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19315 + ... + 29716.

It is an arithmetic number, because the mean of its divisors is an integer number (36479808).

Almost surely, 2255010231 is an apocalyptic number.

255010231 is a deficient number, since it is larger than the sum of its proper divisors (36828233).

255010231 is an equidigital number, since it uses as much as digits as its factorization.

255010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49781.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 255010231 is about 15969.0397644943. The cubic root of 255010231 is about 634.1410512229.

Adding to 255010231 its reverse (132010552), we get a palindrome (387020783).

The spelling of 255010231 in words is "two hundred fifty-five million, ten thousand, two hundred thirty-one".

Divisors: 1 7 743 5201 49031 343217 36430033 255010231