Base | Representation |
---|---|
bin | 100110110111… |
… | …1010111011001 |
3 | 1102100100212101 |
4 | 1031233113121 |
5 | 20204112342 |
6 | 2004443401 |
7 | 335135164 |
oct | 115572731 |
9 | 42310771 |
10 | 20379097 |
11 | 1055a132 |
12 | 69a9561 |
13 | 42b6b4b |
14 | 29c6adb |
15 | 1bc83b7 |
hex | 136f5d9 |
20379097 has 2 divisors, whose sum is σ = 20379098. Its totient is φ = 20379096.
The previous prime is 20379089. The next prime is 20379101. The reversal of 20379097 is 79097302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12645136 + 7733961 = 3556^2 + 2781^2 .
It is a cyclic number.
It is not a de Polignac number, because 20379097 - 23 = 20379089 is a prime.
It is not a weakly prime, because it can be changed into another prime (20379017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10189548 + 10189549.
It is an arithmetic number, because the mean of its divisors is an integer number (10189549).
Almost surely, 220379097 is an apocalyptic number.
It is an amenable number.
20379097 is a deficient number, since it is larger than the sum of its proper divisors (1).
20379097 is an equidigital number, since it uses as much as digits as its factorization.
20379097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23814, while the sum is 37.
The square root of 20379097 is about 4514.3213221923. The cubic root of 20379097 is about 273.1460841594.
The spelling of 20379097 in words is "twenty million, three hundred seventy-nine thousand, ninety-seven".
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