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255382530 = 23513654827
BaseRepresentation
bin11110011100011…
…01010000000010
3122210112202222020
433032031100002
51010334220110
641201422310
76220500324
oct1716152002
9583482866
10255382530
1112117a747
127163a996
1340ba8630
1425cbb614
1517648d70
hexf38d402

255382530 has 32 divisors (see below), whose sum is σ = 660066624. Its totient is φ = 62863296.

The previous prime is 255382511. The next prime is 255382559. The reversal of 255382530 is 35283552.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255382491 and 255382500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327024 + ... + 327803.

It is an arithmetic number, because the mean of its divisors is an integer number (20627082).

Almost surely, 2255382530 is an apocalyptic number.

255382530 is an abundant number, since it is smaller than the sum of its proper divisors (404684094).

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

255382530 is a wasteful number, since it uses less digits than its factorization.

255382530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654850.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 255382530 is about 15980.6924130339. The cubic root of 255382530 is about 634.4495032657.

The spelling of 255382530 in words is "two hundred fifty-five million, three hundred eighty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 654827 1309654 1964481 3274135 3928962 6548270 8512751 9822405 17025502 19644810 25538253 42563755 51076506 85127510 127691265 255382530