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254942 = 2196709
BaseRepresentation
bin111110001111011110
3110221201022
4332033132
531124232
65244142
72111162
oct761736
9427638
10254942
111645a6
12103652
138c06c
1468ca2
1550812
hex3e3de

254942 has 8 divisors (see below), whose sum is σ = 402600. Its totient is φ = 120744.

The previous prime is 254941. The next prime is 254959. The reversal of 254942 is 249452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (50325).

2254942 is an apocalyptic number.

254942 is a deficient number, since it is larger than the sum of its proper divisors (147658).

254942 is a wasteful number, since it uses less digits than its factorization.

254942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its digits is 2880, while the sum is 26.

The square root of 254942 is about 504.9178150947. The cubic root of 254942 is about 63.4084488868.

The spelling of 254942 in words is "two hundred fifty-four thousand, nine hundred forty-two".

Divisors: 1 2 19 38 6709 13418 127471 254942