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729076352 = 2731434273
BaseRepresentation
bin101011011101001…
…101001010000000
31212210212220201212
4223131031022000
52443120420402
6200202345252
724032022014
oct5335151200
91783786655
10729076352
113445a9944
121841bb228
13b807cb34
146cb86544
1544017952
hex2b74d280

729076352 has 64 divisors (see below), whose sum is σ = 1534536960. Its totient is φ = 344494080.

The previous prime is 729076291. The next prime is 729076373. The reversal of 729076352 is 253670927.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 168488 + ... + 172760.

It is an arithmetic number, because the mean of its divisors is an integer number (23977140).

Almost surely, 2729076352 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 729076352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767268480).

729076352 is an abundant number, since it is smaller than the sum of its proper divisors (805460608).

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

729076352 is a wasteful number, since it uses less digits than its factorization.

729076352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 729076352 is about 27001.4138889059. The cubic root of 729076352 is about 900.0314194792.

The spelling of 729076352 in words is "seven hundred twenty-nine million, seventy-six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 31 32 43 62 64 86 124 128 172 248 344 496 688 992 1333 1376 1984 2666 2752 3968 4273 5332 5504 8546 10664 17092 21328 34184 42656 68368 85312 132463 136736 170624 183739 264926 273472 367478 529852 546944 734956 1059704 1469912 2119408 2939824 4238816 5695909 5879648 8477632 11391818 11759296 16955264 22783636 23518592 45567272 91134544 182269088 364538176 729076352