Base | Representation |
---|---|
bin | 111100000111101010101 |
3 | 10201002100011 |
4 | 13200331111 |
5 | 1001020010 |
6 | 110120221 |
7 | 22513312 |
oct | 7407525 |
9 | 3632304 |
10 | 1970005 |
11 | 1126104 |
12 | 7b0071 |
13 | 53c8ab |
14 | 393d09 |
15 | 28da8a |
hex | 1e0f55 |
1970005 has 16 divisors (see below), whose sum is σ = 2467584. Its totient is φ = 1508800.
The previous prime is 1969997. The next prime is 1970029. The reversal of 1970005 is 5000791.
It is not a de Polignac number, because 1970005 - 23 = 1969997 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19455 + ... + 19555.
It is an arithmetic number, because the mean of its divisors is an integer number (154224).
21970005 is an apocalyptic number.
It is an amenable number.
1970005 is a deficient number, since it is larger than the sum of its proper divisors (497579).
1970005 is a wasteful number, since it uses less digits than its factorization.
1970005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236.
The product of its (nonzero) digits is 315, while the sum is 22.
The square root of 1970005 is about 1403.5686659369. The cubic root of 1970005 is about 125.3590742047.
Adding to 1970005 its reverse (5000791), we get a palindrome (6970796).
The spelling of 1970005 in words is "one million, nine hundred seventy thousand, five".
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