Base | Representation |
---|---|
bin | 1000011000011… |
… | …01101011110001 |
3 | 11220022011001211 |
4 | 10030031223301 |
5 | 120444420031 |
6 | 10551000121 |
7 | 1512426202 |
oct | 414155361 |
9 | 156264054 |
10 | 70310641 |
11 | 36763475 |
12 | 1b669041 |
13 | 1174a03b |
14 | 94a35a9 |
15 | 628cbb1 |
hex | 430daf1 |
70310641 has 4 divisors (see below), whose sum is σ = 70391152. Its totient is φ = 70230132.
The previous prime is 70310627. The next prime is 70310651. The reversal of 70310641 is 14601307.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 70310641 - 211 = 70308593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70310651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38931 + ... + 40696.
It is an arithmetic number, because the mean of its divisors is an integer number (17597788).
Almost surely, 270310641 is an apocalyptic number.
It is an amenable number.
70310641 is a deficient number, since it is larger than the sum of its proper divisors (80511).
70310641 is an equidigital number, since it uses as much as digits as its factorization.
70310641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80510.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 70310641 is about 8385.1440655483. The cubic root of 70310641 is about 412.7372685789.
Adding to 70310641 its reverse (14601307), we get a palindrome (84911948).
The spelling of 70310641 in words is "seventy million, three hundred ten thousand, six hundred forty-one".
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