Base | Representation |
---|---|
bin | 11110011011000… |
… | …01000010010110 |
3 | 122210012120112211 |
4 | 33031201002112 |
5 | 1010312421210 |
6 | 41153504034 |
7 | 6216114331 |
oct | 1715410226 |
9 | 583176484 |
10 | 255201430 |
11 | 121066680 |
12 | 7157201a |
13 | 40b44083 |
14 | 25c71618 |
15 | 1761038a |
hex | f361096 |
255201430 has 64 divisors (see below), whose sum is σ = 517306176. Its totient is φ = 89856000.
The previous prime is 255201409. The next prime is 255201437. The reversal of 255201430 is 34102552.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255201437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489570 + ... + 490090.
It is an arithmetic number, because the mean of its divisors is an integer number (8082909).
Almost surely, 2255201430 is an apocalyptic number.
255201430 is an abundant number, since it is smaller than the sum of its proper divisors (262104746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255201430 is a wasteful number, since it uses less digits than its factorization.
255201430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 255201430 is about 15975.0251955983. The cubic root of 255201430 is about 634.2994982579.
Adding to 255201430 its reverse (34102552), we get a palindrome (289303982).
The spelling of 255201430 in words is "two hundred fifty-five million, two hundred one thousand, four hundred thirty".
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