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254057 = 2391063
BaseRepresentation
bin111110000001101001
3110220111112
4332001221
531112212
65240105
72105456
oct760151
9426445
10254057
11163971
12103035
138b83b
146882d
1550422
hex3e069

254057 has 4 divisors (see below), whose sum is σ = 255360. Its totient is φ = 252756.

The previous prime is 254053. The next prime is 254071. The reversal of 254057 is 750452.

254057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254057 - 22 = 254053 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 254057.

It is not an unprimeable number, because it can be changed into a prime (254053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 770.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2254057 is an apocalyptic number.

It is an amenable number.

254057 is a deficient number, since it is larger than the sum of its proper divisors (1303).

254057 is a wasteful number, since it uses less digits than its factorization.

254057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

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

The square root of 254057 is about 504.0406729620. The cubic root of 254057 is about 63.3349922619.

The spelling of 254057 in words is "two hundred fifty-four thousand, fifty-seven".

Divisors: 1 239 1063 254057