Base | Representation |
---|---|
bin | 10010001011101… |
… | …100000110101101 |
3 | 210021000100120221 |
4 | 102023230012231 |
5 | 1111043213000 |
6 | 50134211341 |
7 | 10362626425 |
oct | 2213540655 |
9 | 707010527 |
10 | 305054125 |
11 | 147216752 |
12 | 861b3b51 |
13 | 4b27a3cc |
14 | 2c72b485 |
15 | 1bbab61a |
hex | 122ec1ad |
305054125 has 16 divisors (see below), whose sum is σ = 381287088. Its totient is φ = 243672000.
The previous prime is 305054119. The next prime is 305054153. The reversal of 305054125 is 521450503.
It can be written as a sum of positive squares in 8 ways, for example, as 171374281 + 133679844 = 13091^2 + 11562^2 .
It is not a de Polignac number, because 305054125 - 225 = 271499693 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an alternating number because its digits alternate between odd and even.
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 305054125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105195 + ... + 108055.
It is an arithmetic number, because the mean of its divisors is an integer number (23830443).
Almost surely, 2305054125 is an apocalyptic number.
It is an amenable number.
305054125 is a deficient number, since it is larger than the sum of its proper divisors (76232963).
305054125 is an equidigital number, since it uses as much as digits as its factorization.
305054125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3729 (or 3719 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 305054125 is about 17465.7987220739. The cubic root of 305054125 is about 673.1713651257.
It can be divided in two parts, 3050 and 54125, that added together give a palindrome (57175).
The spelling of 305054125 in words is "three hundred five million, fifty-four thousand, one hundred twenty-five".
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