Base | Representation |
---|---|
bin | 10010001011101… |
… | …011110110001111 |
3 | 210021000022010220 |
4 | 102023223312033 |
5 | 1111043144241 |
6 | 50134202423 |
7 | 10362623361 |
oct | 2213536617 |
9 | 707008126 |
10 | 305053071 |
11 | 147215984 |
12 | 861b3413 |
13 | 4b279a9b |
14 | 2c72ad31 |
15 | 1bbab166 |
hex | 122ebd8f |
305053071 has 16 divisors (see below), whose sum is σ = 425108736. Its totient is φ = 194211776.
The previous prime is 305053061. The next prime is 305053081. The reversal of 305053071 is 170350503.
It is an interprime number because it is at equal distance from previous prime (305053061) and next prime (305053081).
It is a cyclic number.
It is not a de Polignac number, because 305053071 - 223 = 296664463 is a prime.
It is a super-2 number, since 2×3050530712 = 186114752253062082, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305053031) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 43891 + ... + 50363.
It is an arithmetic number, because the mean of its divisors is an integer number (26569296).
Almost surely, 2305053071 is an apocalyptic number.
305053071 is a deficient number, since it is larger than the sum of its proper divisors (120055665).
305053071 is a wasteful number, since it uses less digits than its factorization.
305053071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7182.
The product of its (nonzero) digits is 1575, while the sum is 24.
The square root of 305053071 is about 17465.7685487928. The cubic root of 305053071 is about 673.1705898278.
The spelling of 305053071 in words is "three hundred five million, fifty-three thousand, seventy-one".
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