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387234 = 23371101
BaseRepresentation
bin1011110100010100010
3201200012000
41132202202
544342414
612144430
73201651
oct1364242
9650160
10387234
11244a31
12168116
13107343
14a1198
1579b09
hex5e8a2

387234 has 32 divisors (see below), whose sum is σ = 881280. Its totient is φ = 126000.

The previous prime is 387227. The next prime is 387253. The reversal of 387234 is 432783.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 387198 and 387207.

It is a congruent number.

It is an unprimeable number.

387234 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 15 ways as a sum of consecutive naturals, for example, 3784 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (27540).

2387234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440640).

387234 is an abundant number, since it is smaller than the sum of its proper divisors (494046).

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

387234 is a wasteful number, since it uses less digits than its factorization.

387234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

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

The square root of 387234 is about 622.2812868792. The cubic root of 387234 is about 72.8883010575. Note that the first 3 decimals are identical.

The spelling of 387234 in words is "three hundred eighty-seven thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 71 101 142 202 213 303 426 606 639 909 1278 1818 1917 2727 3834 5454 7171 14342 21513 43026 64539 129078 193617 387234