Base | Representation |
---|---|
bin | 1000011001011… |
… | …01101110111001 |
3 | 11220112211010202 |
4 | 10030231232321 |
5 | 121013120123 |
6 | 10553451545 |
7 | 1513514003 |
oct | 414555671 |
9 | 156484122 |
10 | 70441913 |
11 | 36843063 |
12 | 1b710bb5 |
13 | 11794a09 |
14 | 94d9373 |
15 | 62b6a28 |
hex | 432dbb9 |
70441913 has 2 divisors, whose sum is σ = 70441914. Its totient is φ = 70441912.
The previous prime is 70441907. The next prime is 70441927. The reversal of 70441913 is 31914407.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 69089344 + 1352569 = 8312^2 + 1163^2 .
It is a cyclic number.
It is not a de Polignac number, because 70441913 - 222 = 66247609 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70441963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35220956 + 35220957.
It is an arithmetic number, because the mean of its divisors is an integer number (35220957).
Almost surely, 270441913 is an apocalyptic number.
It is an amenable number.
70441913 is a deficient number, since it is larger than the sum of its proper divisors (1).
70441913 is an equidigital number, since it uses as much as digits as its factorization.
70441913 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 70441913 is about 8392.9680685679. The cubic root of 70441913 is about 412.9939730256.
The spelling of 70441913 in words is "seventy million, four hundred forty-one thousand, nine hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •