Base | Representation |
---|---|
bin | 1000011100111… |
… | …10110100001101 |
3 | 11221102100111212 |
4 | 10032132310031 |
5 | 121122430401 |
6 | 11011424205 |
7 | 1520453261 |
oct | 416366415 |
9 | 157370455 |
10 | 70905101 |
11 | 3702a063 |
12 | 1b8b5065 |
13 | 118c77a7 |
14 | 95ba0a1 |
15 | 6358dbb |
hex | 439ed0d |
70905101 has 2 divisors, whose sum is σ = 70905102. Its totient is φ = 70905100.
The previous prime is 70905089. The next prime is 70905161. The reversal of 70905101 is 10150907.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59521225 + 11383876 = 7715^2 + 3374^2 .
It is a cyclic number.
It is not a de Polignac number, because 70905101 - 222 = 66710797 is a prime.
It is a Chen prime.
It is equal to p4168112 and since 70905101 and 4168112 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70905161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35452550 + 35452551.
It is an arithmetic number, because the mean of its divisors is an integer number (35452551).
Almost surely, 270905101 is an apocalyptic number.
It is an amenable number.
70905101 is a deficient number, since it is larger than the sum of its proper divisors (1).
70905101 is an equidigital number, since it uses as much as digits as its factorization.
70905101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 315, while the sum is 23.
The square root of 70905101 is about 8420.5166706088. The cubic root of 70905101 is about 413.8972046742.
The spelling of 70905101 in words is "seventy million, nine hundred five thousand, one hundred one".
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