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238355 = 51319193
BaseRepresentation
bin111010001100010011
3110002221222
4322030103
530111410
65035255
72011625
oct721423
9402858
10238355
11153097
12b5b2b
1384650
1462c15
154a955
hex3a313

238355 has 16 divisors (see below), whose sum is σ = 325920. Its totient is φ = 165888.

The previous prime is 238339. The next prime is 238361. The reversal of 238355 is 553832.

238355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 238355 - 24 = 238339 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (20370).

2238355 is an apocalyptic number.

238355 is a deficient number, since it is larger than the sum of its proper divisors (87565).

238355 is a wasteful number, since it uses less digits than its factorization.

238355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 3600, while the sum is 26.

The square root of 238355 is about 488.2161406590. The cubic root of 238355 is about 62.0023412227.

The spelling of 238355 in words is "two hundred thirty-eight thousand, three hundred fifty-five".

Divisors: 1 5 13 19 65 95 193 247 965 1235 2509 3667 12545 18335 47671 238355