Search a number
-
+
320863104 = 27322231249
BaseRepresentation
bin10011000111111…
…111101110000000
3211100202112102200
4103013333232000
51124120104404
651501113200
710644201642
oct2307775600
9740675380
10320863104
11155134221
128b558800
1351624033
1430884892
151d280839
hex131ffb80

320863104 has 96 divisors (see below), whose sum is σ = 928200000. Its totient is φ = 106389504.

The previous prime is 320863073. The next prime is 320863139. The reversal of 320863104 is 401368023.

It is a happy number.

320863104 is a `hidden beast` number, since 3 + 20 + 8 + 631 + 0 + 4 = 666.

320863104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256272 + ... + 257520.

It is an arithmetic number, because the mean of its divisors is an integer number (9668750).

Almost surely, 2320863104 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 320863104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464100000).

320863104 is an abundant number, since it is smaller than the sum of its proper divisors (607336896).

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

320863104 is a wasteful number, since it uses less digits than its factorization.

320863104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 320863104 is about 17912.6520649512. The cubic root of 320863104 is about 684.6047795637.

The spelling of 320863104 in words is "three hundred twenty million, eight hundred sixty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 223 288 384 446 576 669 892 1152 1249 1338 1784 2007 2498 2676 3568 3747 4014 4996 5352 7136 7494 8028 9992 10704 11241 14272 14988 16056 19984 21408 22482 28544 29976 32112 39968 42816 44964 59952 64224 79936 85632 89928 119904 128448 159872 179856 239808 256896 278527 359712 479616 557054 719424 835581 1114108 1438848 1671162 2228216 2506743 3342324 4456432 5013486 6684648 8912864 10026972 13369296 17825728 20053944 26738592 35651456 40107888 53477184 80215776 106954368 160431552 320863104