Base | Representation |
---|---|
bin | 1000011100110… |
… | …10101001111101 |
3 | 11221101111010202 |
4 | 10032122221331 |
5 | 121121404221 |
6 | 11011213245 |
7 | 1520352506 |
oct | 416325175 |
9 | 157344122 |
10 | 70888061 |
11 | 37018282 |
12 | 1b8a7225 |
13 | 118bcaca |
14 | 95b3bad |
15 | 6353d0b |
hex | 439aa7d |
70888061 has 2 divisors, whose sum is σ = 70888062. Its totient is φ = 70888060.
The previous prime is 70888049. The next prime is 70888063. The reversal of 70888061 is 16088807.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70644025 + 244036 = 8405^2 + 494^2 .
It is a cyclic number.
It is not a de Polignac number, because 70888061 - 26 = 70887997 is a prime.
Together with 70888063, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70888063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35444030 + 35444031.
It is an arithmetic number, because the mean of its divisors is an integer number (35444031).
Almost surely, 270888061 is an apocalyptic number.
It is an amenable number.
70888061 is a deficient number, since it is larger than the sum of its proper divisors (1).
70888061 is an equidigital number, since it uses as much as digits as its factorization.
70888061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21504, while the sum is 38.
The square root of 70888061 is about 8419.5047954140. The cubic root of 70888061 is about 413.8640459248.
It can be divided in two parts, 7088806 and 1, that added together give a palindrome (7088807).
The spelling of 70888061 in words is "seventy million, eight hundred eighty-eight thousand, sixty-one".
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