Search a number
-
+
328840800 = 25352181757
BaseRepresentation
bin10011100110011…
…011011001100000
3211220202211202220
4103212123121200
51133140401200
652344111040
711102046351
oct2346333140
9756684686
10328840800
11159692a62
1292165480
1353188272
143195dd28
151dd094a0
hex1399b660

328840800 has 144 divisors (see below), whose sum is σ = 1077712272. Its totient is φ = 87091200.

The previous prime is 328840789. The next prime is 328840801. The reversal of 328840800 is 8048823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328840801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434022 + ... + 434778.

It is an arithmetic number, because the mean of its divisors is an integer number (7484113).

Almost surely, 2328840800 is an apocalyptic number.

328840800 is a gapful number since it is divisible by the number (30) 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 328840800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538856136).

328840800 is an abundant number, since it is smaller than the sum of its proper divisors (748871472).

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

328840800 is a wasteful number, since it uses less digits than its factorization.

328840800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 328840800 is about 18133.9681261438. The cubic root of 328840800 is about 690.2322259712.

The spelling of 328840800 in words is "three hundred twenty-eight million, eight hundred forty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 181 200 240 300 362 400 480 543 600 724 757 800 905 1086 1200 1448 1514 1810 2172 2271 2400 2715 2896 3028 3620 3785 4344 4525 4542 5430 5792 6056 7240 7570 8688 9050 9084 10860 11355 12112 13575 14480 15140 17376 18100 18168 18925 21720 22710 24224 27150 28960 30280 36200 36336 37850 43440 45420 54300 56775 60560 72400 72672 75700 86880 90840 108600 113550 121120 137017 144800 151400 181680 217200 227100 274034 302800 363360 411051 434400 454200 548068 605600 685085 822102 908400 1096136 1370170 1644204 1816800 2055255 2192272 2740340 3288408 3425425 4110510 4384544 5480680 6576816 6850850 8221020 10276275 10961360 13153632 13701700 16442040 20552550 21922720 27403400 32884080 41105100 54806800 65768160 82210200 109613600 164420400 328840800