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730445413 = 1531347701
BaseRepresentation
bin101011100010011…
…011011001100101
31212220110110201211
4223202123121211
52443443223123
6200251551421
724046453315
oct5342333145
91786413654
10730445413
113453544a5
1218475b571
13b843c029
146d021445
15441d840d
hex2b89b665

730445413 has 4 divisors (see below), whose sum is σ = 730508428. Its totient is φ = 730382400.

The previous prime is 730445371. The next prime is 730445459. The reversal of 730445413 is 314544037.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 93741124 + 636704289 = 9682^2 + 25233^2 .

It is a cyclic number.

It is not a de Polignac number, because 730445413 - 29 = 730444901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730445473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8538 + ... + 39163.

It is an arithmetic number, because the mean of its divisors is an integer number (182627107).

Almost surely, 2730445413 is an apocalyptic number.

It is an amenable number.

730445413 is a deficient number, since it is larger than the sum of its proper divisors (63015).

730445413 is a wasteful number, since it uses less digits than its factorization.

730445413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63014.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 730445413 is about 27026.7536526309. The cubic root of 730445413 is about 900.5944274737.

The spelling of 730445413 in words is "seven hundred thirty million, four hundred forty-five thousand, four hundred thirteen".

Divisors: 1 15313 47701 730445413