Base | Representation |
---|---|
bin | 1000011100111… |
… | …10110100010100 |
3 | 11221102100112010 |
4 | 10032132310110 |
5 | 121122430413 |
6 | 11011424220 |
7 | 1520453301 |
oct | 416366424 |
9 | 157370463 |
10 | 70905108 |
11 | 3702a06a |
12 | 1b8b5070 |
13 | 118c77b1 |
14 | 95ba0a8 |
15 | 6358dc3 |
hex | 439ed14 |
70905108 has 24 divisors (see below), whose sum is σ = 169294048. Its totient is φ = 23085216.
The previous prime is 70905101. The next prime is 70905161. The reversal of 70905108 is 80150907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70905101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68191 + ... + 69222.
Almost surely, 270905108 is an apocalyptic number.
It is an amenable number.
70905108 is an abundant number, since it is smaller than the sum of its proper divisors (98388940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70905108 is a wasteful number, since it uses less digits than its factorization.
70905108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137463 (or 137461 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 30.
The square root of 70905108 is about 8420.5170862602. The cubic root of 70905108 is about 413.8972182947.
The spelling of 70905108 in words is "seventy million, nine hundred five thousand, one hundred eight".
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