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254997 = 3229977
BaseRepresentation
bin111110010000010101
3110221210100
4332100111
531124442
65244313
72111301
oct762025
9427710
10254997
11164646
12103699
138c0b2
1468d01
155084c
hex3e415

254997 has 12 divisors (see below), whose sum is σ = 381420. Its totient is φ = 163968.

The previous prime is 254993. The next prime is 255007. The reversal of 254997 is 799452.

254997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 60516 = 441^2 + 246^2 .

It is not a de Polignac number, because 254997 - 22 = 254993 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254997.

It is not an unprimeable number, because it can be changed into a prime (254993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (31785).

2254997 is an apocalyptic number.

It is an amenable number.

254997 is a deficient number, since it is larger than the sum of its proper divisors (126423).

254997 is a wasteful number, since it uses less digits than its factorization.

254997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1009 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 254997 is about 504.9722764667. The cubic root of 254997 is about 63.4130083734.

The spelling of 254997 in words is "two hundred fifty-four thousand, nine hundred ninety-seven".

Divisors: 1 3 9 29 87 261 977 2931 8793 28333 84999 254997