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254201 = 1719787
BaseRepresentation
bin111110000011111001
3110220200212
4332003321
531113301
65240505
72106053
oct760371
9426625
10254201
11163a92
12103135
138b91c
14688d3
15504bb
hex3e0f9

254201 has 8 divisors (see below), whose sum is σ = 283680. Its totient is φ = 226368.

The previous prime is 254197. The next prime is 254207. The reversal of 254201 is 102452.

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 254201 - 22 = 254197 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254201.

It is not an unprimeable number, because it can be changed into a prime (254207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (35460).

2254201 is an apocalyptic number.

It is an amenable number.

254201 is a deficient number, since it is larger than the sum of its proper divisors (29479).

254201 is a wasteful number, since it uses less digits than its factorization.

254201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 254201 is about 504.1834983416. The cubic root of 254201 is about 63.3469561339.

Adding to 254201 its reverse (102452), we get a palindrome (356653).

The spelling of 254201 in words is "two hundred fifty-four thousand, two hundred one".

Divisors: 1 17 19 323 787 13379 14953 254201