Search a number
-
+
379782816 = 25373531601
BaseRepresentation
bin10110101000110…
…000011010100000
3222110121222002020
4112220300122200
51234211022231
6101404021440
712261046350
oct2650603240
9873558066
10379782816
111854174a6
12a7231880
13608b337a
1438620b60
152351d396
hex16a306a0

379782816 has 96 divisors (see below), whose sum is σ = 1143289728. Its totient is φ = 108134400.

The previous prime is 379782803. The next prime is 379782827. The reversal of 379782816 is 618287973.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×3797828163 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236416 + ... + 238016.

It is an arithmetic number, because the mean of its divisors is an integer number (11909268).

Almost surely, 2379782816 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 379782816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571644864).

379782816 is an abundant number, since it is smaller than the sum of its proper divisors (763506912).

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

379782816 is a wasteful number, since it uses less digits than its factorization.

379782816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 1966 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 379782816 is about 19488.0172413717. The cubic root of 379782816 is about 724.1776270215.

The spelling of 379782816 in words is "three hundred seventy-nine million, seven hundred eighty-two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 353 672 706 1059 1412 1601 2118 2471 2824 3202 4236 4803 4942 5648 6404 7413 8472 9606 9884 11207 11296 12808 14826 16944 19212 19768 22414 25616 29652 33621 33888 38424 39536 44828 51232 59304 67242 76848 79072 89656 118608 134484 153696 179312 237216 268968 358624 537936 565153 1075872 1130306 1695459 2260612 3390918 3956071 4521224 6781836 7912142 9042448 11868213 13563672 15824284 18084896 23736426 27127344 31648568 47472852 54254688 63297136 94945704 126594272 189891408 379782816