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729048528 = 2432131912039
BaseRepresentation
bin101011011101000…
…110010111010000
31212210211111120100
4223131012113100
52443114023103
6200202012400
724031544625
oct5335062720
91783744510
10729048528
1134458aa4a
121841a7100
13b8070280
146cb7a34c
154400e5a3
hex2b7465d0

729048528 has 120 divisors (see below), whose sum is σ = 2209858560. Its totient is φ = 223038720.

The previous prime is 729048527. The next prime is 729048539. The reversal of 729048528 is 825840927.

729048528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729048527) 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, 356533 + ... + 358571.

It is an arithmetic number, because the mean of its divisors is an integer number (18415488).

Almost surely, 2729048528 is an apocalyptic number.

729048528 is a gapful number since it is divisible by the number (78) 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 729048528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104929280).

729048528 is an abundant number, since it is smaller than the sum of its proper divisors (1480810032).

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

729048528 is a wasteful number, since it uses less digits than its factorization.

729048528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 729048528 is about 27000.8986517116. The cubic root of 729048528 is about 900.0199699273.

The spelling of 729048528 in words is "seven hundred twenty-nine million, forty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 191 208 234 312 382 468 573 624 764 936 1146 1528 1719 1872 2039 2292 2483 3056 3438 4078 4584 4966 6117 6876 7449 8156 9168 9932 12234 13752 14898 16312 18351 19864 22347 24468 26507 27504 29796 32624 36702 39728 44694 48936 53014 59592 73404 79521 89388 97872 106028 119184 146808 159042 178776 212056 238563 293616 318084 357552 389449 424112 477126 636168 778898 954252 1168347 1272336 1557796 1908504 2336694 3115592 3505041 3817008 4673388 5062837 6231184 7010082 9346776 10125674 14020164 15188511 18693552 20251348 28040328 30377022 40502696 45565533 56080656 60754044 81005392 91131066 121508088 182262132 243016176 364524264 729048528