Base | Representation |
---|---|
bin | 1000011100100… |
… | …11100001011100 |
3 | 11221100000001122 |
4 | 10032103201130 |
5 | 121114440334 |
6 | 11010430112 |
7 | 1520201360 |
oct | 416234134 |
9 | 157300048 |
10 | 70858844 |
11 | 36aa8331 |
12 | 1b892338 |
13 | 118ac714 |
14 | 95a72a0 |
15 | 634a32e |
hex | 439385c |
70858844 has 24 divisors (see below), whose sum is σ = 142047360. Its totient is φ = 30297456.
The previous prime is 70858831. The next prime is 70858849. The reversal of 70858844 is 44885807.
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 70858795 and 70858804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70858849) 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, 10367 + ... + 15785.
It is an arithmetic number, because the mean of its divisors is an integer number (5918640).
Almost surely, 270858844 is an apocalyptic number.
It is an amenable number.
70858844 is an abundant number, since it is smaller than the sum of its proper divisors (71188516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70858844 is a wasteful number, since it uses less digits than its factorization.
70858844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5897 (or 5895 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 44.
The square root of 70858844 is about 8417.7695383041. The cubic root of 70858844 is about 413.8071791441.
The spelling of 70858844 in words is "seventy million, eight hundred fifty-eight thousand, eight hundred forty-four".
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