Base | Representation |
---|---|
bin | 1011110110000110000101 |
3 | 12211202110211 |
4 | 23312012011 |
5 | 1243331112 |
6 | 150315421 |
7 | 35251636 |
oct | 13660605 |
9 | 5752424 |
10 | 3105157 |
11 | 1830a50 |
12 | 1058b71 |
13 | 849493 |
14 | 5ab88d |
15 | 4150a7 |
hex | 2f6185 |
3105157 has 4 divisors (see below), whose sum is σ = 3387456. Its totient is φ = 2822860.
The previous prime is 3105143. The next prime is 3105163. The reversal of 3105157 is 7515013.
3105157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 3105157 - 211 = 3103109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3105107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141133 + ... + 141154.
It is an arithmetic number, because the mean of its divisors is an integer number (846864).
Almost surely, 23105157 is an apocalyptic number.
It is an amenable number.
3105157 is a deficient number, since it is larger than the sum of its proper divisors (282299).
3105157 is a wasteful number, since it uses less digits than its factorization.
3105157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282298.
The product of its (nonzero) digits is 525, while the sum is 22.
The square root of 3105157 is about 1762.1455671993. The cubic root of 3105157 is about 145.8907827713.
The spelling of 3105157 in words is "three million, one hundred five thousand, one hundred fifty-seven".
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