Base | Representation |
---|---|
bin | 11110011010010… |
… | …00111001010111 |
3 | 122210000112220122 |
4 | 33031020321113 |
5 | 1010301240201 |
6 | 41151422155 |
7 | 6215223134 |
oct | 1715107127 |
9 | 583015818 |
10 | 255102551 |
11 | 120aa9360 |
12 | 7152495b |
13 | 40b0b072 |
14 | 25c4758b |
15 | 175e0e1b |
hex | f348e57 |
255102551 has 8 divisors (see below), whose sum is σ = 278433408. Its totient is φ = 231795000.
The previous prime is 255102541. The next prime is 255102557. The reversal of 255102551 is 155201552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 255102551 - 222 = 250908247 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 255102551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255102557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23516 + ... + 32606.
It is an arithmetic number, because the mean of its divisors is an integer number (34804176).
Almost surely, 2255102551 is an apocalyptic number.
255102551 is a deficient number, since it is larger than the sum of its proper divisors (23330857).
255102551 is a wasteful number, since it uses less digits than its factorization.
255102551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11653.
The product of its (nonzero) digits is 2500, while the sum is 26.
The square root of 255102551 is about 15971.9300962658. The cubic root of 255102551 is about 634.2175668961.
Subtracting from 255102551 its reverse (155201552), we obtain a palindrome (99900999).
The spelling of 255102551 in words is "two hundred fifty-five million, one hundred two thousand, five hundred fifty-one".
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