Search a number
-
+
255267228 = 22321272269
BaseRepresentation
bin11110011011100…
…01000110011100
3122210022220210210
433031301012130
51010322022403
641155132420
76216510216
oct1715610634
9583286723
10255267228
11121101057
12715a4110
1340b67cc8
1425c8b5b6
1517624b03
hexf37119c

255267228 has 12 divisors (see below), whose sum is σ = 595623560. Its totient is φ = 85089072.

The previous prime is 255267227. The next prime is 255267277. The reversal of 255267228 is 822762552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2552672282 = 130322715381607968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255267227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10636123 + ... + 10636146.

Almost surely, 2255267228 is an apocalyptic number.

It is an amenable number.

255267228 is an abundant number, since it is smaller than the sum of its proper divisors (340356332).

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

255267228 is a wasteful number, since it uses less digits than its factorization.

255267228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272276 (or 21272274 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 255267228 is about 15977.0844649454. The cubic root of 255267228 is about 634.3540069023.

The spelling of 255267228 in words is "two hundred fifty-five million, two hundred sixty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 21272269 42544538 63816807 85089076 127633614 255267228