Base | Representation |
---|---|
bin | 10001000000110… |
… | …000111111100001 |
3 | 201220001111111122 |
4 | 101000300333201 |
5 | 1041031211340 |
6 | 44153222025 |
7 | 10033654610 |
oct | 2100607741 |
9 | 656044448 |
10 | 285413345 |
11 | 1371212a8 |
12 | 7b701915 |
13 | 47191649 |
14 | 29c97877 |
15 | 1a0cbdb5 |
hex | 11030fe1 |
285413345 has 32 divisors (see below), whose sum is σ = 417070080. Its totient is φ = 183142080.
The previous prime is 285413291. The next prime is 285413347. The reversal of 285413345 is 543314582.
It is not a de Polignac number, because 285413345 - 224 = 268636129 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (285413347) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52610 + ... + 57780.
It is an arithmetic number, because the mean of its divisors is an integer number (13033440).
Almost surely, 2285413345 is an apocalyptic number.
It is an amenable number.
285413345 is a deficient number, since it is larger than the sum of its proper divisors (131656735).
285413345 is a wasteful number, since it uses less digits than its factorization.
285413345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5285.
The product of its digits is 57600, while the sum is 35.
The square root of 285413345 is about 16894.1808028682. The cubic root of 285413345 is about 658.4024301062.
The spelling of 285413345 in words is "two hundred eighty-five million, four hundred thirteen thousand, three hundred forty-five".
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