Base | Representation |
---|---|
bin | 1011011000110011000101 |
3 | 12121122212101 |
4 | 23120303011 |
5 | 1231011112 |
6 | 143552101 |
7 | 34242040 |
oct | 13306305 |
9 | 5548771 |
10 | 2985157 |
11 | 175987a |
12 | bbb631 |
13 | 806986 |
14 | 579c57 |
15 | 3de757 |
hex | 2d8cc5 |
2985157 has 8 divisors (see below), whose sum is σ = 3468032. Its totient is φ = 2516400.
The previous prime is 2985133. The next prime is 2985163. The reversal of 2985157 is 7515892.
2985157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 2985157 - 27 = 2985029 is a prime.
It is a super-2 number, since 2×29851572 = 17822324629298, which contains 22 as substring.
It is a Duffinian number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2985107) 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 7 ways as a sum of consecutive naturals, for example, 3069 + ... + 3922.
It is an arithmetic number, because the mean of its divisors is an integer number (433504).
22985157 is an apocalyptic number.
It is an amenable number.
2985157 is a deficient number, since it is larger than the sum of its proper divisors (482875).
2985157 is an equidigital number, since it uses as much as digits as its factorization.
2985157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7059.
The product of its digits is 25200, while the sum is 37.
The square root of 2985157 is about 1727.7606894475. The cubic root of 2985157 is about 143.9867046624.
The spelling of 2985157 in words is "two million, nine hundred eighty-five thousand, one hundred fifty-seven".
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