Base | Representation |
---|---|
bin | 1000011101100… |
… | …00111110011101 |
3 | 11221120010112211 |
4 | 10032300332131 |
5 | 121132320420 |
6 | 11013200421 |
7 | 1521213163 |
oct | 416607635 |
9 | 157503484 |
10 | 70979485 |
11 | 3707aa35 |
12 | 1b930111 |
13 | 119225c5 |
14 | 95d9233 |
15 | 6370e5a |
hex | 43b0f9d |
70979485 has 4 divisors (see below), whose sum is σ = 85175388. Its totient is φ = 56783584.
The previous prime is 70979483. The next prime is 70979549. The reversal of 70979485 is 58497907.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58497907 = 13 ⋅4499839.
It can be written as a sum of positive squares in 2 ways, for example, as 33304441 + 37675044 = 5771^2 + 6138^2 .
It is a cyclic number.
It is not a de Polignac number, because 70979485 - 21 = 70979483 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70979483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7097944 + ... + 7097953.
It is an arithmetic number, because the mean of its divisors is an integer number (21293847).
Almost surely, 270979485 is an apocalyptic number.
It is an amenable number.
70979485 is a deficient number, since it is larger than the sum of its proper divisors (14195903).
70979485 is a wasteful number, since it uses less digits than its factorization.
70979485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14195902.
The product of its (nonzero) digits is 635040, while the sum is 49.
The square root of 70979485 is about 8424.9323439420. The cubic root of 70979485 is about 414.0418889990.
The spelling of 70979485 in words is "seventy million, nine hundred seventy-nine thousand, four hundred eighty-five".
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