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255330415 = 5315331081
BaseRepresentation
bin11110011100000…
…00100001101111
3122210110010111001
433032000201233
51010331033130
641200341131
76220162354
oct1716004157
9583403431
10255330415
1112114457a
12716147a7
1340b8a9b2
1425ca662b
15176386ca
hexf38086f

255330415 has 16 divisors (see below), whose sum is σ = 322258176. Its totient is φ = 193939200.

The previous prime is 255330391. The next prime is 255330443. The reversal of 255330415 is 514033552.

Adding to 255330415 its reverse (514033552), we get a palindrome (769363967).

255330415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-255330415 is a prime.

It is a Duffinian number.

It is a congruent 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, 7326 + ... + 23755.

It is an arithmetic number, because the mean of its divisors is an integer number (20141136).

Almost surely, 2255330415 is an apocalyptic number.

255330415 is a deficient number, since it is larger than the sum of its proper divisors (66927761).

255330415 is a wasteful number, since it uses less digits than its factorization.

255330415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31170.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 255330415 is about 15979.0617684519. The cubic root of 255330415 is about 634.4063437157.

The spelling of 255330415 in words is "two hundred fifty-five million, three hundred thirty thousand, four hundred fifteen".

Divisors: 1 5 31 53 155 265 1643 8215 31081 155405 963511 1647293 4817555 8236465 51066083 255330415