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382381230 = 235711165533
BaseRepresentation
bin10110110010101…
…010110010101110
3222122111222102210
4112302222302232
51240342144410
6101535431250
712322121040
oct2662526256
9878458383
10382381230
11186931750
12a8085526
13612b2caa
1438ad9a90
1523883220
hex16caacae

382381230 has 64 divisors (see below), whose sum is σ = 1144171008. Its totient is φ = 79455360.

The previous prime is 382381201. The next prime is 382381243. The reversal of 382381230 is 32183283.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80457 + ... + 85076.

It is an arithmetic number, because the mean of its divisors is an integer number (17877672).

Almost surely, 2382381230 is an apocalyptic number.

382381230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

382381230 is an abundant number, since it is smaller than the sum of its proper divisors (761789778).

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

382381230 is a wasteful number, since it uses less digits than its factorization.

382381230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165561.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 382381230 is about 19554.5705654714. The cubic root of 382381230 is about 725.8254443017.

The spelling of 382381230 in words is "three hundred eighty-two million, three hundred eighty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 165533 331066 496599 827665 993198 1158731 1655330 1820863 2317462 2482995 3476193 3641726 4965990 5462589 5793655 6952386 9104315 10925178 11587310 12746041 17380965 18208630 25492082 27312945 34761930 38238123 54625890 63730205 76476246 127460410 191190615 382381230