Base | Representation |
---|---|
bin | 101011100010000… |
… | …100010000100001 |
3 | 1212220021122201011 |
4 | 223202010100201 |
5 | 2443432210000 |
6 | 200245540521 |
7 | 24045610054 |
oct | 5342042041 |
9 | 1786248634 |
10 | 730350625 |
11 | 34529a264 |
12 | 184714741 |
13 | b8407b44 |
14 | 6cdd8a9b |
15 | 441ba2ba |
hex | 2b884421 |
730350625 has 45 divisors (see below), whose sum is σ = 974782501. Its totient is φ = 546986000.
The previous prime is 730350623. The next prime is 730350631. The reversal of 730350625 is 526053037.
The square root of 730350625 is 27025.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 57259489 + 673091136 = 7567^2 + 25944^2 .
It is not a de Polignac number, because 730350625 - 21 = 730350623 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (730350623) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 15539352 + ... + 15539398.
Almost surely, 2730350625 is an apocalyptic number.
730350625 is the 27025-th square number.
730350625 is the 13513-rd centered octagonal number.
It is an amenable number.
730350625 is a deficient number, since it is larger than the sum of its proper divisors (244431876).
730350625 is an frugal number, since it uses more digits than its factorization.
730350625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 31.
The cubic root of 730350625 is about 900.5554698569. Note that the first 3 decimals are identical.
The spelling of 730350625 in words is "seven hundred thirty million, three hundred fifty thousand, six hundred twenty-five".
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