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730323125 = 547166931
BaseRepresentation
bin101011100001111…
…101100010110101
31212220020020222122
4223201331202311
52443430320000
6200245205325
724045433640
oct5341754265
91786206878
10730323125
11345280634
12184700845
13b83c847c
146cdcca57
15441b2085
hex2b87d8b5

730323125 has 20 divisors (see below), whose sum is σ = 1042991136. Its totient is φ = 500790000.

The previous prime is 730323107. The next prime is 730323149. The reversal of 730323125 is 521323037.

It is not a de Polignac number, because 730323125 - 226 = 663214261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730323094 and 730323103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79091 + ... + 87840.

Almost surely, 2730323125 is an apocalyptic number.

It is an amenable number.

730323125 is a deficient number, since it is larger than the sum of its proper divisors (312668011).

730323125 is an equidigital number, since it uses as much as digits as its factorization.

730323125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166958 (or 166943 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 730323125 is about 27024.4912070514. The cubic root of 730323125 is about 900.5441667990.

The spelling of 730323125 in words is "seven hundred thirty million, three hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 166931 834655 1168517 4173275 5842585 20866375 29212925 104331875 146064625 730323125