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255379388 = 221147123491
BaseRepresentation
bin11110011100011…
…00011110111100
3122210112121122212
433032030132330
51010334120023
641201355552
76220455215
oct1716143674
9583477585
10255379388
11121178350
1271638bb8
1340ba7084
1425cba40c
1517647e78
hexf38c7bc

255379388 has 24 divisors (see below), whose sum is σ = 497919744. Its totient is φ = 113610800.

The previous prime is 255379379. The next prime is 255379393. The reversal of 255379388 is 883973552.

It is a congruent number.

It is an unprimeable number.

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, 59678 + ... + 63813.

It is an arithmetic number, because the mean of its divisors is an integer number (20746656).

Almost surely, 2255379388 is an apocalyptic number.

It is an amenable number.

255379388 is a deficient number, since it is larger than the sum of its proper divisors (242540356).

255379388 is a wasteful number, since it uses less digits than its factorization.

255379388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123553 (or 123551 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 255379388 is about 15980.5941066032. The cubic root of 255379388 is about 634.4469013538.

The spelling of 255379388 in words is "two hundred fifty-five million, three hundred seventy-nine thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 123491 246982 493964 1358401 2716802 5433604 5804077 11608154 23216308 63844847 127689694 255379388