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730097280 = 273351123167
BaseRepresentation
bin101011100001000…
…110011010000000
31212212210210012000
4223201012122000
52443401103110
6200240304000
724043503333
oct5341063200
91785723160
10730097280
11345136990
12184612000
13b8349733
146cd7061a
154416a1c0
hex2b846680

730097280 has 512 divisors, whose sum is σ = 2961100800. Its totient is φ = 168284160.

The previous prime is 730097279. The next prime is 730097323. The reversal of 730097280 is 82790037.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4371757 + ... + 4371923.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2730097280 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 730097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480550400).

730097280 is an abundant number, since it is smaller than the sum of its proper divisors (2231003520).

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

730097280 is a wasteful number, since it uses less digits than its factorization.

730097280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 730097280 is about 27020.3123594084. The cubic root of 730097280 is about 900.4513291866.

The spelling of 730097280 in words is "seven hundred thirty million, ninety-seven thousand, two hundred eighty".