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255451143 = 3194481599
BaseRepresentation
bin11110011100111…
…10000000000111
3122210200021002110
433032132000013
51010343414033
641203112103
76221204343
oct1716360007
9583607073
10255451143
11121217252
1271672633
1340c0092c
1425cd8623
151765e363
hexf39e007

255451143 has 8 divisors (see below), whose sum is σ = 358528000. Its totient is φ = 161337528.

The previous prime is 255451139. The next prime is 255451151. The reversal of 255451143 is 341154552.

255451143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 255451143 - 22 = 255451139 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 255451143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255451123) 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, 2240743 + ... + 2240856.

It is an arithmetic number, because the mean of its divisors is an integer number (44816000).

Almost surely, 2255451143 is an apocalyptic number.

255451143 is a deficient number, since it is larger than the sum of its proper divisors (103076857).

255451143 is a wasteful number, since it uses less digits than its factorization.

255451143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481621.

The product of its digits is 12000, while the sum is 30.

The square root of 255451143 is about 15982.8390156442. The cubic root of 255451143 is about 634.5063168437.

The spelling of 255451143 in words is "two hundred fifty-five million, four hundred fifty-one thousand, one hundred forty-three".

Divisors: 1 3 19 57 4481599 13444797 85150381 255451143