Base | Representation |
---|---|
bin | 111100001011101111101 |
3 | 10201012012111 |
4 | 13201131331 |
5 | 1001101333 |
6 | 110134021 |
7 | 22522354 |
oct | 7413575 |
9 | 3635174 |
10 | 1972093 |
11 | 1127732 |
12 | 7b1311 |
13 | 540826 |
14 | 39499b |
15 | 28e4cd |
hex | 1e177d |
1972093 has 2 divisors, whose sum is σ = 1972094. Its totient is φ = 1972092.
The previous prime is 1972079. The next prime is 1972097. The reversal of 1972093 is 3902791.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1954404 + 17689 = 1398^2 + 133^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1972093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1972097) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986046 + 986047.
It is an arithmetic number, because the mean of its divisors is an integer number (986047).
21972093 is an apocalyptic number.
It is an amenable number.
1972093 is a deficient number, since it is larger than the sum of its proper divisors (1).
1972093 is an equidigital number, since it uses as much as digits as its factorization.
1972093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3402, while the sum is 31.
The square root of 1972093 is about 1404.3122872068. The cubic root of 1972093 is about 125.4033477515.
Subtracting from 1972093 its product of nonzero digits (3402), we obtain a palindrome (1968691).
The spelling of 1972093 in words is "one million, nine hundred seventy-two thousand, ninety-three".
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