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730966405 = 5132865049
BaseRepresentation
bin101011100100011…
…010100110000101
31212221102221101211
4223210122212011
52444111411110
6200311051421
724054053251
oct5344324605
91787387354
10730966405
1134567a974
12184970b71
13b8592200
146d119261
154428c98a
hex2b91a985

730966405 has 12 divisors (see below), whose sum is σ = 949824900. Its totient is φ = 539789952.

The previous prime is 730966393. The next prime is 730966429. The reversal of 730966405 is 504669037.

It can be written as a sum of positive squares in 6 ways, for example, as 86974276 + 643992129 = 9326^2 + 25377^2 .

It is not a de Polignac number, because 730966405 - 213 = 730958213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431680 + ... + 433369.

It is an arithmetic number, because the mean of its divisors is an integer number (79152075).

Almost surely, 2730966405 is an apocalyptic number.

It is an amenable number.

730966405 is a deficient number, since it is larger than the sum of its proper divisors (218858495).

730966405 is a wasteful number, since it uses less digits than its factorization.

730966405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865080 (or 865067 counting only the distinct ones).

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

The square root of 730966405 is about 27036.3903840731. The cubic root of 730966405 is about 900.8084936560.

The spelling of 730966405 in words is "seven hundred thirty million, nine hundred sixty-six thousand, four hundred five".

Divisors: 1 5 13 65 169 845 865049 4325245 11245637 56228185 146193281 730966405