Search a number
-
+
730669045 = 5732001833
BaseRepresentation
bin101011100011010…
…001111111110101
31212220212211111111
4223203101333311
52444022402140
6200300435021
724051404311
oct5343217765
91786784444
10730669045
11345497517
12184848a71
13b84b9a62
146d07cb41
154422e7ea
hex2b8d1ff5

730669045 has 8 divisors (see below), whose sum is σ = 888814296. Its totient is φ = 576527616.

The previous prime is 730669033. The next prime is 730669057. The reversal of 730669045 is 540966037.

It is an interprime number because it is at equal distance from previous prime (730669033) and next prime (730669057).

It can be written as a sum of positive squares in 4 ways, for example, as 11195716 + 719473329 = 3346^2 + 26823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730669045 - 25 = 730669013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730668989 and 730669007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000552 + ... + 1001281.

It is an arithmetic number, because the mean of its divisors is an integer number (111101787).

Almost surely, 2730669045 is an apocalyptic number.

It is an amenable number.

730669045 is a deficient number, since it is larger than the sum of its proper divisors (158145251).

730669045 is a wasteful number, since it uses less digits than its factorization.

730669045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001911.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 730669045 is about 27030.8905698647. The cubic root of 730669045 is about 900.6863262792.

The spelling of 730669045 in words is "seven hundred thirty million, six hundred sixty-nine thousand, forty-five".

Divisors: 1 5 73 365 2001833 10009165 146133809 730669045