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258234 = 23193223
BaseRepresentation
bin111111000010111010
3111010020020
4333002322
531230414
65311310
72123604
oct770272
9433206
10258234
11167019
12105536
1390702
146a174
15517a9
hex3f0ba

258234 has 16 divisors (see below), whose sum is σ = 521472. Its totient is φ = 85248.

The previous prime is 258233. The next prime is 258241. The reversal of 258234 is 432852.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258233) 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, 1047 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (32592).

2258234 is an apocalyptic number.

258234 is an abundant number, since it is smaller than the sum of its proper divisors (263238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258234 is a wasteful number, since it uses less digits than its factorization.

258234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its digits is 1920, while the sum is 24.

The square root of 258234 is about 508.1672952877. The cubic root of 258234 is about 63.6802081275.

The spelling of 258234 in words is "two hundred fifty-eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 193 223 386 446 579 669 1158 1338 43039 86078 129117 258234