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382660 = 22519253
BaseRepresentation
bin1011101011011000100
3201102220121
41131123010
544221120
612111324
73152425
oct1353304
9642817
10382660
11241553
12165544
13105235
149d64c
15785aa
hex5d6c4

382660 has 36 divisors (see below), whose sum is σ = 864108. Its totient is φ = 142272.

The previous prime is 382649. The next prime is 382661. The reversal of 382660 is 66283.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 174724 = 456^2 + 418^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382661) by changing a digit.

382660 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 11 ways as a sum of consecutive naturals, for example, 7194 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (24003).

2382660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432054).

382660 is an abundant number, since it is smaller than the sum of its proper divisors (481448).

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

382660 is a wasteful number, since it uses less digits than its factorization.

382660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 382660 is about 618.5951826518. The cubic root of 382660 is about 72.6001785949.

The spelling of 382660 in words is "three hundred eighty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 53 76 95 106 190 212 265 361 380 530 722 1007 1060 1444 1805 2014 3610 4028 5035 7220 10070 19133 20140 38266 76532 95665 191330 382660