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255143226 = 23139373491
BaseRepresentation
bin11110011010100…
…10110100111010
3122210002121201010
433031102310322
51010304040401
641152334350
76215452542
oct1715226472
9583077633
10255143226
11121026978
12715443b6
1340b23730
1425c58322
15175eced6
hexf352d3a

255143226 has 32 divisors (see below), whose sum is σ = 550283328. Its totient is φ = 78399360.

The previous prime is 255143221. The next prime is 255143269. The reversal of 255143226 is 622341552.

255143226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255143193 and 255143202.

It is not an unprimeable number, because it can be changed into a prime (255143221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71341 + ... + 74831.

It is an arithmetic number, because the mean of its divisors is an integer number (17196354).

Almost surely, 2255143226 is an apocalyptic number.

255143226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255143226 is an abundant number, since it is smaller than the sum of its proper divisors (295140102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255143226 is a wasteful number, since it uses less digits than its factorization.

255143226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446.

The product of its digits is 14400, while the sum is 30.

The square root of 255143226 is about 15973.2033731497. The cubic root of 255143226 is about 634.2512728554.

Adding to 255143226 its reverse (622341552), we get a palindrome (877484778).

The spelling of 255143226 in words is "two hundred fifty-five million, one hundred forty-three thousand, two hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 937 1874 2811 3491 5622 6982 10473 12181 20946 24362 36543 45383 73086 90766 136149 272298 3271067 6542134 9813201 19626402 42523871 85047742 127571613 255143226