Base | Representation |
---|---|
bin | 1011111111000101110101 |
3 | 12220122000120 |
4 | 23333011311 |
5 | 1301021010 |
6 | 151202153 |
7 | 35464236 |
oct | 13770565 |
9 | 5818016 |
10 | 3142005 |
11 | 18566a9 |
12 | 1076359 |
13 | 860199 |
14 | 5bb08d |
15 | 420e70 |
hex | 2ff175 |
3142005 has 32 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 1559040.
The previous prime is 3141959. The next prime is 3142019. The reversal of 3142005 is 5002413.
It is not a de Polignac number, because 3142005 - 27 = 3141877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13369 + ... + 13601.
It is an arithmetic number, because the mean of its divisors is an integer number (168480).
Almost surely, 23142005 is an apocalyptic number.
It is an amenable number.
3142005 is a deficient number, since it is larger than the sum of its proper divisors (2249355).
3142005 is a wasteful number, since it uses less digits than its factorization.
3142005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 3142005 is about 1772.5701678636. The cubic root of 3142005 is about 146.4655962576.
Adding to 3142005 its reverse (5002413), we get a palindrome (8144418).
The spelling of 3142005 in words is "three million, one hundred forty-two thousand, five".
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