Base | Representation |
---|---|
bin | 1000010110111… |
… | …11111110110001 |
3 | 11212221122021111 |
4 | 10023133332301 |
5 | 120422422231 |
6 | 10542553321 |
7 | 1511016343 |
oct | 413377661 |
9 | 155848244 |
10 | 70123441 |
11 | 36645863 |
12 | 1b598841 |
13 | 116b2a7b |
14 | 9455293 |
15 | 62524b1 |
hex | 42dffb1 |
70123441 has 4 divisors (see below), whose sum is σ = 70161652. Its totient is φ = 70085232.
The previous prime is 70123439. The next prime is 70123499. The reversal of 70123441 is 14432107.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 52983841 + 17139600 = 7279^2 + 4140^2 .
It is a cyclic number.
It is not a de Polignac number, because 70123441 - 21 = 70123439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70127441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16206 + ... + 20071.
It is an arithmetic number, because the mean of its divisors is an integer number (17540413).
Almost surely, 270123441 is an apocalyptic number.
It is an amenable number.
70123441 is a deficient number, since it is larger than the sum of its proper divisors (38211).
70123441 is a wasteful number, since it uses less digits than its factorization.
70123441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38210.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 70123441 is about 8373.9740267092. The cubic root of 70123441 is about 412.3706427567.
Adding to 70123441 its reverse (14432107), we get a palindrome (84555548).
It can be divided in two parts, 701 and 23441, that added together give a palindrome (24142).
The spelling of 70123441 in words is "seventy million, one hundred twenty-three thousand, four hundred forty-one".
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