Base | Representation |
---|---|
bin | 101011001101101… |
… | …110111010011011 |
3 | 1212112020211220021 |
4 | 223031232322123 |
5 | 2441101122230 |
6 | 155535411311 |
7 | 23652366565 |
oct | 5315567233 |
9 | 1775224807 |
10 | 725020315 |
11 | 342289548 |
12 | 182983b37 |
13 | b728c906 |
14 | 6c40c335 |
15 | 439b5c7a |
hex | 2b36ee9b |
725020315 has 8 divisors (see below), whose sum is σ = 870345648. Its totient is φ = 579802080.
The previous prime is 725020249. The next prime is 725020327. The reversal of 725020315 is 513020527.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 725020315 - 211 = 725018267 is a prime.
It is a super-3 number, since 3×7250203153 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 725020315.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11037 + ... + 39646.
It is an arithmetic number, because the mean of its divisors is an integer number (108793206).
Almost surely, 2725020315 is an apocalyptic number.
725020315 is a deficient number, since it is larger than the sum of its proper divisors (145325333).
725020315 is a wasteful number, since it uses less digits than its factorization.
725020315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53549.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 725020315 is about 26926.2012731094. The cubic root of 725020315 is about 898.3592802970.
The spelling of 725020315 in words is "seven hundred twenty-five million, twenty thousand, three hundred fifteen".
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