Base | Representation |
---|---|
bin | 1000011001110… |
… | …10001010000101 |
3 | 11220122101221122 |
4 | 10030322022011 |
5 | 121021232210 |
6 | 10554523325 |
7 | 1514115245 |
oct | 414721205 |
9 | 156571848 |
10 | 70492805 |
11 | 36878319 |
12 | 1b736545 |
13 | 117b1c26 |
14 | 950db25 |
15 | 62c6b55 |
hex | 433a285 |
70492805 has 8 divisors (see below), whose sum is σ = 84742944. Its totient is φ = 56293200.
The previous prime is 70492801. The next prime is 70492837. The reversal of 70492805 is 50829407.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70492805 - 22 = 70492801 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70492801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9491 + ... + 15200.
It is an arithmetic number, because the mean of its divisors is an integer number (10592868).
Almost surely, 270492805 is an apocalyptic number.
It is an amenable number.
70492805 is a deficient number, since it is larger than the sum of its proper divisors (14250139).
70492805 is a wasteful number, since it uses less digits than its factorization.
70492805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25267.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 70492805 is about 8395.9993449261. Note that the first 3 decimals coincide. The cubic root of 70492805 is about 413.0934073386.
The spelling of 70492805 in words is "seventy million, four hundred ninety-two thousand, eight hundred five".
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