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255330417 = 3194479481
BaseRepresentation
bin11110011100000…
…00100001110001
3122210110010111010
433032000201301
51010331033132
641200341133
76220162356
oct1716004161
9583403433
10255330417
11121144581
12716147a9
1340b8a9b4
1425ca662d
15176386cc
hexf380871

255330417 has 8 divisors (see below), whose sum is σ = 358358560. Its totient is φ = 161261280.

The previous prime is 255330391. The next prime is 255330443. The reversal of 255330417 is 714033552.

It is an interprime number because it is at equal distance from previous prime (255330391) and next prime (255330443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255330417 - 223 = 246941809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255330457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239684 + ... + 2239797.

It is an arithmetic number, because the mean of its divisors is an integer number (44794820).

Almost surely, 2255330417 is an apocalyptic number.

It is an amenable number.

255330417 is a deficient number, since it is larger than the sum of its proper divisors (103028143).

255330417 is a wasteful number, since it uses less digits than its factorization.

255330417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479503.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 255330417 is about 15979.0618310338. The cubic root of 255330417 is about 634.4063453721.

Adding to 255330417 its reverse (714033552), we get a palindrome (969363969).

The spelling of 255330417 in words is "two hundred fifty-five million, three hundred thirty thousand, four hundred seventeen".

Divisors: 1 3 19 57 4479481 13438443 85110139 255330417