Search a number
-
+
828040000 = 2654127163
BaseRepresentation
bin110001010110101…
…110001101000000
32010201002210100011
4301112232031000
53143434240000
6214055434304
726343136534
oct6126561500
92121083304
10828040000
11395452787
121b1385994
1310271c9c8
147bd87bc4
154ca652ba
hex315ae340

828040000 has 140 divisors (see below), whose sum is σ = 2082133504. Its totient is φ = 326592000.

The previous prime is 828039967. The next prime is 828040009. The reversal of 828040000 is 40828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828040009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5079919 + ... + 5080081.

Almost surely, 2828040000 is an apocalyptic number.

828040000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041066752).

828040000 is an abundant number, since it is smaller than the sum of its proper divisors (1254093504).

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

828040000 is a wasteful number, since it uses less digits than its factorization.

828040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 828040000 is about 28775.6841795291. The cubic root of 828040000 is about 939.0393082193.

Adding to 828040000 its reverse (40828), we get a palindrome (828080828).

The spelling of 828040000 in words is "eight hundred twenty-eight million, forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 127 160 163 200 250 254 320 326 400 500 508 625 635 652 800 815 1000 1016 1250 1270 1304 1600 1630 2000 2032 2500 2540 2608 3175 3260 4000 4064 4075 5000 5080 5216 6350 6520 8000 8128 8150 10000 10160 10432 12700 13040 15875 16300 20000 20320 20375 20701 25400 26080 31750 32600 40000 40640 40750 41402 50800 52160 63500 65200 79375 81500 82804 101600 101875 103505 127000 130400 158750 163000 165608 203200 203750 207010 254000 260800 317500 326000 331216 407500 414020 508000 517525 635000 652000 662432 815000 828040 1016000 1035050 1270000 1304000 1324864 1630000 1656080 2070100 2540000 2587625 3260000 3312160 4140200 5080000 5175250 6520000 6624320 8280400 10350500 12938125 16560800 20701000 25876250 33121600 41402000 51752500 82804000 103505000 165608000 207010000 414020000 828040000