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8328960 = 28335241
BaseRepresentation
bin11111110001011100000000
3120200011012000
4133301130000
54113011320
6454304000
7130536453
oct37613400
916604160
108328960
114779742
122958000
1319580a3
14116b49a
15ae7c90
hex7f1700

8328960 has 144 divisors (see below), whose sum is σ = 29678880. Its totient is φ = 2211840.

The previous prime is 8328949. The next prime is 8328961. The reversal of 8328960 is 698238.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×83289603 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8328961) by changing a digit.

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, 34440 + ... + 34680.

Almost surely, 28328960 is an apocalyptic number.

8328960 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 8328960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14839440).

8328960 is an abundant number, since it is smaller than the sum of its proper divisors (21349920).

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

8328960 is a wasteful number, since it uses less digits than its factorization.

8328960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8328960 is about 2885.9937629870. The cubic root of 8328960 is about 202.7045943175.

Adding to 8328960 its sum of digits (36), we get a square (8328996 = 28862).

The spelling of 8328960 in words is "eight million, three hundred twenty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 241 256 270 288 320 360 384 432 480 482 540 576 640 720 723 768 864 960 964 1080 1152 1205 1280 1440 1446 1728 1920 1928 2160 2169 2304 2410 2880 2892 3456 3615 3840 3856 4320 4338 4820 5760 5784 6507 6912 7230 7712 8640 8676 9640 10845 11520 11568 13014 14460 15424 17280 17352 19280 21690 23136 26028 28920 30848 32535 34560 34704 38560 43380 46272 52056 57840 61696 65070 69408 77120 86760 92544 104112 115680 130140 138816 154240 173520 185088 208224 231360 260280 277632 308480 347040 416448 462720 520560 555264 694080 832896 925440 1041120 1388160 1665792 2082240 2776320 4164480 8328960