Search a number
-
+
730318770 = 2325192331599
BaseRepresentation
bin101011100001111…
…100011110110010
31212220020001000100
4223201330132302
52443430200040
6200245133230
724045415146
oct5341743662
91786201010
10730318770
11345278335
121846ba216
13b83c64ac
146cdcb226
15441b0b30
hex2b87c7b2

730318770 has 192 divisors, whose sum is σ = 2156544000. Its totient is φ = 170501760.

The previous prime is 730318717. The next prime is 730318783. The reversal of 730318770 is 77813037.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1218931 + ... + 1219529.

It is an arithmetic number, because the mean of its divisors is an integer number (11232000).

Almost surely, 2730318770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730318770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078272000).

730318770 is an abundant number, since it is smaller than the sum of its proper divisors (1426225230).

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

730318770 is a wasteful number, since it uses less digits than its factorization.

730318770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 730318770 is about 27024.4106318713. The cubic root of 730318770 is about 900.5423767796.

The spelling of 730318770 in words is "seven hundred thirty million, three hundred eighteen thousand, seven hundred seventy".