Base | Representation |
---|---|
bin | 1000010110111… |
… | …11110011111011 |
3 | 11212221121022210 |
4 | 10023133303323 |
5 | 120422411442 |
6 | 10542550203 |
7 | 1511014332 |
oct | 413376373 |
9 | 155847283 |
10 | 70122747 |
11 | 36645292 |
12 | 1b598363 |
13 | 116b2666 |
14 | 9454d19 |
15 | 625219c |
hex | 42dfcfb |
70122747 has 8 divisors (see below), whose sum is σ = 93609280. Its totient is φ = 46692360.
The previous prime is 70122737. The next prime is 70122757. The reversal of 70122747 is 74722107.
It is an interprime number because it is at equal distance from previous prime (70122737) and next prime (70122757).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70122747 - 26 = 70122683 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70122737) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11029 + ... + 16182.
It is an arithmetic number, because the mean of its divisors is an integer number (11701160).
Almost surely, 270122747 is an apocalyptic number.
70122747 is a deficient number, since it is larger than the sum of its proper divisors (23486533).
70122747 is a wasteful number, since it uses less digits than its factorization.
70122747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28073.
The product of its (nonzero) digits is 5488, while the sum is 30.
The square root of 70122747 is about 8373.9325886945. The cubic root of 70122747 is about 412.3692823644.
The spelling of 70122747 in words is "seventy million, one hundred twenty-two thousand, seven hundred forty-seven".
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