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382030128 = 24334121569
BaseRepresentation
bin10110110001010…
…101000100110000
3222121212010211000
4112301111010300
51240244431003
6101524122000
712316126314
oct2661250460
9877763730
10382030128
11186711987
12a7b36300
13611bc23c
1438a47b44
15238141a3
hex16c55130

382030128 has 80 divisors (see below), whose sum is σ = 1123365600. Its totient is φ = 124231680.

The previous prime is 382030127. The next prime is 382030153. The reversal of 382030128 is 821030283.

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

It is not an unprimeable number, because it can be changed into a prime (382030123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6928 + ... + 28496.

It is an arithmetic number, because the mean of its divisors is an integer number (14042070).

Almost surely, 2382030128 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 382030128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561682800).

382030128 is an abundant number, since it is smaller than the sum of its proper divisors (741335472).

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

382030128 is a wasteful number, since it uses less digits than its factorization.

382030128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21627 (or 21615 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 382030128 is about 19545.5910117858. The cubic root of 382030128 is about 725.6032255817.

The spelling of 382030128 in words is "three hundred eighty-two million, thirty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 41 48 54 72 82 108 123 144 164 216 246 328 369 432 492 656 738 984 1107 1476 1968 2214 2952 4428 5904 8856 17712 21569 43138 64707 86276 129414 172552 194121 258828 345104 388242 517656 582363 776484 884329 1035312 1164726 1552968 1768658 2329452 2652987 3105936 3537316 4658904 5305974 7074632 7958961 9317808 10611948 14149264 15917922 21223896 23876883 31835844 42447792 47753766 63671688 95507532 127343376 191015064 382030128