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255369090 = 23565912917
BaseRepresentation
bin11110011100010…
…01111110000010
3122210112002112110
433032021332002
51010333302330
641201240150
76220413204
oct1716117602
9583462473
10255369090
11121170639
1271633056
1340ba2492
1425cb6774
1517644db0
hexf389f82

255369090 has 32 divisors (see below), whose sum is σ = 613863360. Its totient is φ = 67989824.

The previous prime is 255369083. The next prime is 255369113. The reversal of 255369090 is 90963552.

It is a Curzon number.

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, 13312 + ... + 26228.

It is an arithmetic number, because the mean of its divisors is an integer number (19183230).

Almost surely, 2255369090 is an apocalyptic number.

255369090 is an abundant number, since it is smaller than the sum of its proper divisors (358494270).

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

255369090 is a wasteful number, since it uses less digits than its factorization.

255369090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 255369090 is about 15980.2719000648. The cubic root of 255369090 is about 634.4383733594.

The spelling of 255369090 in words is "two hundred fifty-five million, three hundred sixty-nine thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 659 1318 1977 3295 3954 6590 9885 12917 19770 25834 38751 64585 77502 129170 193755 387510 8512303 17024606 25536909 42561515 51073818 85123030 127684545 255369090