Base | Representation |
---|---|
bin | 1000011001011… |
… | …11011010100101 |
3 | 11220120011121000 |
4 | 10030233122211 |
5 | 121013330210 |
6 | 10553543513 |
7 | 1513543050 |
oct | 414573245 |
9 | 156504530 |
10 | 70448805 |
11 | 36848259 |
12 | 1b714b99 |
13 | 11797bab |
14 | 94dba97 |
15 | 62b8ac0 |
hex | 432f6a5 |
70448805 has 64 divisors (see below), whose sum is σ = 144506880. Its totient is φ = 31897152.
The previous prime is 70448779. The next prime is 70448821. The reversal of 70448805 is 50884407.
It is not a de Polignac number, because 70448805 - 211 = 70446757 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70448805.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119722 + ... + 120308.
It is an arithmetic number, because the mean of its divisors is an integer number (2257920).
Almost surely, 270448805 is an apocalyptic number.
It is an amenable number.
70448805 is an abundant number, since it is smaller than the sum of its proper divisors (74058075).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70448805 is a wasteful number, since it uses less digits than its factorization.
70448805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 735 (or 729 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 70448805 is about 8393.3786403331. The cubic root of 70448805 is about 413.0074416246.
It can be divided in two parts, 70448 and 805, that added together give a triangular number (71253 = T377).
The spelling of 70448805 in words is "seventy million, four hundred forty-eight thousand, eight hundred five".
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