Base | Representation |
---|---|
bin | 111110111000… |
… | …1011010010101 |
3 | 2022001001212112 |
4 | 1331301122111 |
5 | 31420023024 |
6 | 3134400405 |
7 | 550146404 |
oct | 175613225 |
9 | 68031775 |
10 | 32970389 |
11 | 1767a161 |
12 | b060105 |
13 | 6aa500a |
14 | 454363b |
15 | 2d6400e |
hex | 1f71695 |
32970389 has 2 divisors, whose sum is σ = 32970390. Its totient is φ = 32970388.
The previous prime is 32970331. The next prime is 32970401. The reversal of 32970389 is 98307923.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27984100 + 4986289 = 5290^2 + 2233^2 .
It is a cyclic number.
It is not a de Polignac number, because 32970389 - 212 = 32966293 is a prime.
It is a super-2 number, since 2×329703892 = 2174093101622642, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (32970319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16485194 + 16485195.
It is an arithmetic number, because the mean of its divisors is an integer number (16485195).
Almost surely, 232970389 is an apocalyptic number.
It is an amenable number.
32970389 is a deficient number, since it is larger than the sum of its proper divisors (1).
32970389 is an equidigital number, since it uses as much as digits as its factorization.
32970389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 81648, while the sum is 41.
The square root of 32970389 is about 5741.9847613870. The cubic root of 32970389 is about 320.6574666144.
The spelling of 32970389 in words is "thirty-two million, nine hundred seventy thousand, three hundred eighty-nine".
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