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730427825 = 5229217113
BaseRepresentation
bin101011100010010…
…111000110110001
31212220102120121102
4223202113012301
52443442142300
6200251334145
724046351121
oct5342270661
91786376542
10730427825
11345342266
12184751355
13b843401a
146d018c81
15441d30d5
hex2b8971b1

730427825 has 6 divisors (see below), whose sum is σ = 905730534. Its totient is φ = 584342240.

The previous prime is 730427809. The next prime is 730427837. The reversal of 730427825 is 528724037.

730427825 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 103876864 + 626550961 = 10192^2 + 25031^2 .

It is not a de Polignac number, because 730427825 - 24 = 730427809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14608532 + ... + 14608581.

It is an arithmetic number, because the mean of its divisors is an integer number (150955089).

Almost surely, 2730427825 is an apocalyptic number.

It is an amenable number.

730427825 is a deficient number, since it is larger than the sum of its proper divisors (175302709).

730427825 is a wasteful number, since it uses less digits than its factorization.

730427825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217123 (or 29217118 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 730427825 is about 27026.4282693811. The cubic root of 730427825 is about 900.5871991070.

The spelling of 730427825 in words is "seven hundred thirty million, four hundred twenty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 29217113 146085565 730427825