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730049760 = 2536511569
BaseRepresentation
bin101011100000111…
…010110011100000
31212212201101000000
4223200322303200
52443343043020
6200235300000
724043214646
oct5340726340
91785641000
10730049760
11345104210
121845aa600
13b8330c0b
146cd5b196
154415b090
hex2b83ace0

730049760 has 336 divisors, whose sum is σ = 2825973360. Its totient is φ = 176670720.

The previous prime is 730049737. The next prime is 730049777. The reversal of 730049760 is 67940037.

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 polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1282756 + ... + 1283324.

It is an arithmetic number, because the mean of its divisors is an integer number (8410635).

Almost surely, 2730049760 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 730049760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412986680).

730049760 is an abundant number, since it is smaller than the sum of its proper divisors (2095923600).

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

730049760 is a wasteful number, since it uses less digits than its factorization.

730049760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 730049760 is about 27019.4330066343. The cubic root of 730049760 is about 900.4317928057.

Adding to 730049760 its reverse (67940037), we get a palindrome (797989797).

The spelling of 730049760 in words is "seven hundred thirty million, forty-nine thousand, seven hundred sixty".