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528864768 = 293367571
BaseRepresentation
bin11111100001011…
…101011000000000
31100212011010002000
4133201131120000
52040342133033
6124251224000
716051163535
oct3741353000
91325133060
10528864768
11251591a23
12129148000
1385750443
145034ad8c
153166aa13
hex1f85d600

528864768 has 160 divisors (see below), whose sum is σ = 1591624320. Its totient is φ = 173352960.

The previous prime is 528864767. The next prime is 528864811. The reversal of 528864768 is 867468825.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528864767) 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 15 ways as a sum of consecutive naturals, for example, 925923 + ... + 926493.

It is an arithmetic number, because the mean of its divisors is an integer number (9947652).

Almost surely, 2528864768 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 528864768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795812160).

528864768 is an abundant number, since it is smaller than the sum of its proper divisors (1062759552).

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

528864768 is an equidigital number, since it uses as much as digits as its factorization.

528864768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 643 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 528864768 is about 22997.0599860069. The cubic root of 528864768 is about 808.6890178707.

The spelling of 528864768 in words is "five hundred twenty-eight million, eight hundred sixty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 67 72 96 108 128 134 144 192 201 216 256 268 288 384 402 432 512 536 571 576 603 768 804 864 1072 1142 1152 1206 1536 1608 1713 1728 1809 2144 2284 2304 2412 3216 3426 3456 3618 4288 4568 4608 4824 5139 6432 6852 6912 7236 8576 9136 9648 10278 12864 13704 13824 14472 15417 17152 18272 19296 20556 25728 27408 28944 30834 34304 36544 38257 38592 41112 51456 54816 57888 61668 73088 76514 77184 82224 102912 109632 114771 115776 123336 146176 153028 154368 164448 219264 229542 231552 246672 292352 306056 308736 328896 344313 438528 459084 463104 493344 612112 657792 688626 877056 918168 926208 986688 1032939 1224224 1315584 1377252 1836336 1973376 2065878 2448448 2631168 2754504 3672672 3946752 4131756 4896896 5509008 7345344 7893504 8263512 9793792 11018016 14690688 16527024 19587584 22036032 29381376 33054048 44072064 58762752 66108096 88144128 132216192 176288256 264432384 528864768