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255470255 = 551094051
BaseRepresentation
bin11110011101000…
…10101010101111
3122210201020022022
433032202222233
51010400022010
641203340355
76221314145
oct1716425257
9583636268
10255470255
1112122a647
12716816bb
1340c09541
1425d01595
1517664d55
hexf3a2aaf

255470255 has 4 divisors (see below), whose sum is σ = 306564312. Its totient is φ = 204376200.

The previous prime is 255470233. The next prime is 255470261. The reversal of 255470255 is 552074552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255470255 - 214 = 255453871 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 25547021 + ... + 25547030.

It is an arithmetic number, because the mean of its divisors is an integer number (76641078).

Almost surely, 2255470255 is an apocalyptic number.

255470255 is a deficient number, since it is larger than the sum of its proper divisors (51094057).

255470255 is an equidigital number, since it uses as much as digits as its factorization.

255470255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51094056.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 255470255 is about 15983.4368957368. The cubic root of 255470255 is about 634.5221403291.

The spelling of 255470255 in words is "two hundred fifty-five million, four hundred seventy thousand, two hundred fifty-five".

Divisors: 1 5 51094051 255470255