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255394 = 2277461
BaseRepresentation
bin111110010110100010
3110222100001
4332112202
531133034
65250214
72112406
oct762642
9428301
10255394
11164977
1210396a
138c329
1469106
1550a14
hex3e5a2

255394 has 8 divisors (see below), whose sum is σ = 385308. Its totient is φ = 126960.

The previous prime is 255383. The next prime is 255413. The reversal of 255394 is 493552.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 18225 = 487^2 + 135^2 .

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

It is a d-powerful number, because it can be written as 25 + 5 + 311 + 57 + 92 + 4 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324 + ... + 784.

2255394 is an apocalyptic number.

255394 is a deficient number, since it is larger than the sum of its proper divisors (129914).

255394 is a wasteful number, since it uses less digits than its factorization.

255394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its digits is 5400, while the sum is 28.

The square root of 255394 is about 505.3652144737. The cubic root of 255394 is about 63.4459001471.

The spelling of 255394 in words is "two hundred fifty-five thousand, three hundred ninety-four".

Divisors: 1 2 277 461 554 922 127697 255394