Base | Representation |
---|---|
bin | 1000011100011… |
… | …10100011001000 |
3 | 11221021222010010 |
4 | 10032032203020 |
5 | 121113312342 |
6 | 11010151520 |
7 | 1520055105 |
oct | 416164310 |
9 | 157258103 |
10 | 70838472 |
11 | 36a93aa1 |
12 | 1b8825a0 |
13 | 118a3373 |
14 | 959daac |
15 | 634429c |
hex | 438e8c8 |
70838472 has 32 divisors (see below), whose sum is σ = 182810880. Its totient is φ = 22850880.
The previous prime is 70838437. The next prime is 70838489. The reversal of 70838472 is 27483807.
It is a self number, because there is not a number n which added to its sum of digits gives 70838472.
It is an unprimeable number.
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, 46863 + ... + 48350.
It is an arithmetic number, because the mean of its divisors is an integer number (5712840).
Almost surely, 270838472 is an apocalyptic number.
It is an amenable number.
70838472 is an abundant number, since it is smaller than the sum of its proper divisors (111972408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70838472 is a wasteful number, since it uses less digits than its factorization.
70838472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95253 (or 95249 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 39.
The square root of 70838472 is about 8416.5593920556. The cubic root of 70838472 is about 413.7675186614.
The spelling of 70838472 in words is "seventy million, eight hundred thirty-eight thousand, four hundred seventy-two".
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