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730286736 = 243191515303
BaseRepresentation
bin101011100001110…
…100101010010000
31212220011102001220
4223201310222100
52443423133421
6200244325040
724045222564
oct5341645220
91786142056
10730286736
11345256263
121846a3780
13b83b4a3a
146cdbd6a4
15441a63c6
hex2b874a90

730286736 has 80 divisors (see below), whose sum is σ = 1999395840. Its totient is φ = 229046400.

The previous prime is 730286701. The next prime is 730286737. The reversal of 730286736 is 637682037.

It is not an unprimeable number, because it can be changed into a prime (730286737) 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, 135061 + ... + 140363.

It is an arithmetic number, because the mean of its divisors is an integer number (24992448).

Almost surely, 2730286736 is an apocalyptic number.

730286736 is a gapful number since it is divisible by the number (76) 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 730286736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999697920).

730286736 is an abundant number, since it is smaller than the sum of its proper divisors (1269109104).

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

730286736 is a wasteful number, since it uses less digits than its factorization.

730286736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 730286736 is about 27023.8179389960. The cubic root of 730286736 is about 900.5292097456.

The spelling of 730286736 in words is "seven hundred thirty million, two hundred eighty-six thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 151 152 228 302 304 453 456 604 906 912 1208 1812 2416 2869 3624 5303 5738 7248 8607 10606 11476 15909 17214 21212 22952 31818 34428 42424 45904 63636 68856 84848 100757 127272 137712 201514 254544 302271 403028 604542 800753 806056 1209084 1601506 1612112 2402259 2418168 3203012 4804518 4836336 6406024 9609036 12812048 15214307 19218072 30428614 38436144 45642921 60857228 91285842 121714456 182571684 243428912 365143368 730286736