Search a number
-
+
328650868 = 2271317173307
BaseRepresentation
bin10011100101101…
…101000001110100
3211220102012020101
4103211231001310
51133113311433
652340043444
711100325540
oct2345550164
9756365211
10328650868
11159573297
1292093584
135311c990
1431910a20
151dcbd07d
hex1396d074

328650868 has 96 divisors (see below), whose sum is σ = 756290304. Its totient is φ = 121264128.

The previous prime is 328650863. The next prime is 328650877. The reversal of 328650868 is 868056823.

It is a happy number.

328650868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3286508682 = 216022786074306848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328650863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1070371 + ... + 1070677.

It is an arithmetic number, because the mean of its divisors is an integer number (7878024).

Almost surely, 2328650868 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 328650868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378145152).

328650868 is an abundant number, since it is smaller than the sum of its proper divisors (427639436).

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

328650868 is a wasteful number, since it uses less digits than its factorization.

328650868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 328650868 is about 18128.7304574810. The cubic root of 328650868 is about 690.0993121773.

The spelling of 328650868 in words is "three hundred twenty-eight million, six hundred fifty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 13 14 17 26 28 34 52 68 91 119 173 182 221 238 307 346 364 442 476 614 692 884 1211 1228 1547 2149 2249 2422 2941 3094 3991 4298 4498 4844 5219 5882 6188 7982 8596 8996 10438 11764 15743 15964 20587 20876 27937 31486 36533 38233 41174 53111 55874 62972 67847 73066 76466 82348 106222 111748 135694 146132 152932 212444 267631 271388 371777 474929 535262 690443 743554 902887 949858 1070524 1380886 1487108 1805774 1899716 2761772 3611548 4833101 6320209 9666202 11737531 12640418 19332404 23475062 25280836 46950124 82162717 164325434 328650868