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730772065 = 5146154413
BaseRepresentation
bin101011100011101…
…011001001100001
31212221002001211001
4223203223021201
52444034201230
6200302552001
724052313542
oct5343531141
91787061731
10730772065
11345557961
12184898601
13b852490a
146d0a84c9
15442500ca
hex2b8eb261

730772065 has 4 divisors (see below), whose sum is σ = 876926484. Its totient is φ = 584617648.

The previous prime is 730772039. The next prime is 730772099. The reversal of 730772065 is 560277037.

730772065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560277037 = 2347323869.

It can be written as a sum of positive squares in 2 ways, for example, as 239351841 + 491420224 = 15471^2 + 22168^2 .

It is a cyclic number.

It is not a de Polignac number, because 730772065 - 229 = 193901153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73077202 + ... + 73077211.

It is an arithmetic number, because the mean of its divisors is an integer number (219231621).

Almost surely, 2730772065 is an apocalyptic number.

It is an amenable number.

730772065 is a deficient number, since it is larger than the sum of its proper divisors (146154419).

730772065 is a wasteful number, since it uses less digits than its factorization.

730772065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146154418.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 730772065 is about 27032.7961002927. The cubic root of 730772065 is about 900.7286547659.

The spelling of 730772065 in words is "seven hundred thirty million, seven hundred seventy-two thousand, sixty-five".

Divisors: 1 5 146154413 730772065