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255047 = 1323853
BaseRepresentation
bin111110010001000111
3110221212012
4332101013
531130142
65244435
72111402
oct762107
9427765
10255047
11164691
1210371b
138c120
1468d39
1550882
hex3e447

255047 has 8 divisors (see below), whose sum is σ = 286944. Its totient is φ = 224928.

The previous prime is 255043. The next prime is 255049. The reversal of 255047 is 740552.

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 255047 - 22 = 255043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255043) 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, 128 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (35868).

2255047 is an apocalyptic number.

255047 is a deficient number, since it is larger than the sum of its proper divisors (31897).

255047 is a wasteful number, since it uses less digits than its factorization.

255047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 255047 is about 505.0217817085. The cubic root of 255047 is about 63.4171527924.

Adding to 255047 its reverse (740552), we get a palindrome (995599).

The spelling of 255047 in words is "two hundred fifty-five thousand, forty-seven".

Divisors: 1 13 23 299 853 11089 19619 255047