Base | Representation |
---|---|
bin | 1000011001010… |
… | …01100111101111 |
3 | 11220111222000222 |
4 | 10030221213233 |
5 | 121012100241 |
6 | 10553241555 |
7 | 1513413623 |
oct | 414514757 |
9 | 156458028 |
10 | 70425071 |
11 | 36831442 |
12 | 1b7032bb |
13 | 1178a152 |
14 | 94d3183 |
15 | 62b1a4b |
hex | 43299ef |
70425071 has 8 divisors (see below), whose sum is σ = 71579904. Its totient is φ = 69275520.
The previous prime is 70425053. The next prime is 70425073. The reversal of 70425071 is 17052407.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70425071 - 214 = 70408687 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70425071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70425073) 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, 32306 + ... + 34416.
It is an arithmetic number, because the mean of its divisors is an integer number (8947488).
Almost surely, 270425071 is an apocalyptic number.
70425071 is a deficient number, since it is larger than the sum of its proper divisors (1154833).
70425071 is a wasteful number, since it uses less digits than its factorization.
70425071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2641.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 70425071 is about 8391.9646686578. The cubic root of 70425071 is about 412.9610560750.
Adding to 70425071 its reverse (17052407), we get a palindrome (87477478).
The spelling of 70425071 in words is "seventy million, four hundred twenty-five thousand, seventy-one".
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