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255442451 = 1171327071
BaseRepresentation
bin11110011100110…
…11111000010011
3122210122211011112
433032123320103
51010343124301
641203003535
76221140115
oct1716337023
9583584145
10255442451
11121210770
12716695ab
1340bc99a4
1425cd53b5
151765b9bb
hexf39be13

255442451 has 8 divisors (see below), whose sum is σ = 282590208. Its totient is φ = 228949000.

The previous prime is 255442427. The next prime is 255442477. The reversal of 255442451 is 154244552.

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

It is a cyclic number.

It is not a de Polignac number, because 255442451 - 222 = 251248147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255442151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 162755 + ... + 164316.

It is an arithmetic number, because the mean of its divisors is an integer number (35323776).

Almost surely, 2255442451 is an apocalyptic number.

255442451 is a deficient number, since it is larger than the sum of its proper divisors (27147757).

255442451 is a wasteful number, since it uses less digits than its factorization.

255442451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327153.

The product of its digits is 32000, while the sum is 32.

The square root of 255442451 is about 15982.5670966838. The cubic root of 255442451 is about 634.4991201754.

The spelling of 255442451 in words is "two hundred fifty-five million, four hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 11 71 781 327071 3597781 23222041 255442451