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238734 = 2334421
BaseRepresentation
bin111010010010001110
3110010111000
4322102032
530114414
65041130
72013006
oct722216
9403430
10238734
11153401
12b61a6
1384882
1463006
154ab09
hex3a48e

238734 has 16 divisors (see below), whose sum is σ = 530640. Its totient is φ = 79560.

The previous prime is 238729. The next prime is 238747. The reversal of 238734 is 437832.

238734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238698 and 238707.

It is a congruent number.

It is an unprimeable number.

238734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (33165).

2238734 is an apocalyptic number.

238734 is an abundant number, since it is smaller than the sum of its proper divisors (291906).

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

238734 is a wasteful number, since it uses less digits than its factorization.

238734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4426 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 238734 is about 488.6041342437. The cubic root of 238734 is about 62.0351864094.

The spelling of 238734 in words is "two hundred thirty-eight thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 4421 8842 13263 26526 39789 79578 119367 238734