Base | Representation |
---|---|
bin | 10111110010111111001011 |
3 | 102201221010210 |
4 | 113302333023 |
5 | 3044110110 |
6 | 341412203 |
7 | 104011020 |
oct | 27627713 |
9 | 12657123 |
10 | 6238155 |
11 | 3580900 |
12 | 210a063 |
13 | 13a5521 |
14 | b85547 |
15 | 833520 |
hex | 5f2fcb |
6238155 has 48 divisors (see below), whose sum is σ = 12563712. Its totient is φ = 2587200.
The previous prime is 6238151. The next prime is 6238157. The reversal of 6238155 is 5518326.
6238155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6238155 - 22 = 6238151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6238151) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12460 + ... + 12950.
It is an arithmetic number, because the mean of its divisors is an integer number (261744).
Almost surely, 26238155 is an apocalyptic number.
6238155 is an abundant number, since it is smaller than the sum of its proper divisors (6325557).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6238155 is a wasteful number, since it uses less digits than its factorization.
6238155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528 (or 517 counting only the distinct ones).
The product of its digits is 7200, while the sum is 30.
The square root of 6238155 is about 2497.6298765029. The cubic root of 6238155 is about 184.0851350671.
It can be divided in two parts, 623 and 8155, that added together give a palindrome (8778).
The spelling of 6238155 in words is "six million, two hundred thirty-eight thousand, one hundred fifty-five".
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