Search a number
-
+
730638001 = 3740494877
BaseRepresentation
bin101011100011001…
…010011010110001
31212220211020220201
4223203022122301
52444020404001
6200300035201
724051214642
oct5343123261
91786736821
10730638001
11345476165
12184832b01
13b84a88a2
146d0716c9
1544225501
hex2b8ca6b1

730638001 has 8 divisors (see below), whose sum is σ = 750724200. Its totient is φ = 710569728.

The previous prime is 730637981. The next prime is 730638017. The reversal of 730638001 is 100836037.

730638001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 95648400 + 634989601 = 9780^2 + 25199^2 .

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 730638001 - 25 = 730637969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730638031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147375 + ... + 152251.

It is an arithmetic number, because the mean of its divisors is an integer number (93840525).

Almost surely, 2730638001 is an apocalyptic number.

It is an amenable number.

730638001 is a deficient number, since it is larger than the sum of its proper divisors (20086199).

730638001 is a wasteful number, since it uses less digits than its factorization.

730638001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 730638001 is about 27030.3163318523. The cubic root of 730638001 is about 900.6735702522.

The spelling of 730638001 in words is "seven hundred thirty million, six hundred thirty-eight thousand, one".

Divisors: 1 37 4049 4877 149813 180449 19746973 730638001