Base | Representation |
---|---|
bin | 111100001011101011101 |
3 | 10201012011022 |
4 | 13201131131 |
5 | 1001101221 |
6 | 110133525 |
7 | 22522310 |
oct | 7413535 |
9 | 3635138 |
10 | 1972061 |
11 | 1127703 |
12 | 7b12a5 |
13 | 540800 |
14 | 394977 |
15 | 28e4ab |
hex | 1e175d |
1972061 has 12 divisors (see below), whose sum is σ = 2441952. Its totient is φ = 1559376.
The previous prime is 1972049. The next prime is 1972079. The reversal of 1972061 is 1602791.
It is a de Polignac number, because none of the positive numbers 2k-1972061 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1972061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1972031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350 + ... + 2016.
It is an arithmetic number, because the mean of its divisors is an integer number (203496).
21972061 is an apocalyptic number.
It is an amenable number.
1972061 is a deficient number, since it is larger than the sum of its proper divisors (469891).
1972061 is a wasteful number, since it uses less digits than its factorization.
1972061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1700 (or 1687 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 1972061 is about 1404.3008936834. The cubic root of 1972061 is about 125.4026694656.
The spelling of 1972061 in words is "one million, nine hundred seventy-two thousand, sixty-one".
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