Base | Representation |
---|---|
bin | 1001100010001… |
… | …1101011010111 |
3 | 2210020210202001 |
4 | 2120203223113 |
5 | 40214221043 |
6 | 3545100131 |
7 | 663632551 |
oct | 230435327 |
9 | 83223661 |
10 | 39992023 |
11 | 20635665 |
12 | 11487647 |
13 | 8393026 |
14 | 54504d1 |
15 | 379e74d |
hex | 2623ad7 |
39992023 has 2 divisors, whose sum is σ = 39992024. Its totient is φ = 39992022.
The previous prime is 39992011. The next prime is 39992063. The reversal of 39992023 is 32029993.
It is a weak prime.
It is an emirp because it is prime and its reverse (32029993) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-39992023 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (39992003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19996011 + 19996012.
It is an arithmetic number, because the mean of its divisors is an integer number (19996012).
Almost surely, 239992023 is an apocalyptic number.
39992023 is a deficient number, since it is larger than the sum of its proper divisors (1).
39992023 is an equidigital number, since it uses as much as digits as its factorization.
39992023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26244, while the sum is 37.
The square root of 39992023 is about 6323.9246516700. The cubic root of 39992023 is about 341.9724536937.
The spelling of 39992023 in words is "thirty-nine million, nine hundred ninety-two thousand, twenty-three".
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