Base | Representation |
---|---|
bin | 1000010110111… |
… | …00000100101110 |
3 | 11212220211022210 |
4 | 10023130010232 |
5 | 120421414223 |
6 | 10542351250 |
7 | 1510621602 |
oct | 413340456 |
9 | 155824283 |
10 | 70107438 |
11 | 36634835 |
12 | 1b58b526 |
13 | 116a86bb |
14 | 944d502 |
15 | 624c893 |
hex | 42dc12e |
70107438 has 8 divisors (see below), whose sum is σ = 140214888. Its totient is φ = 23369144.
The previous prime is 70107437. The next prime is 70107449. The reversal of 70107438 is 83470107.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
70107438 is an admirable number.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70107431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842281 + ... + 5842292.
It is an arithmetic number, because the mean of its divisors is an integer number (17526861).
Almost surely, 270107438 is an apocalyptic number.
70107438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70107438 is a wasteful number, since it uses less digits than its factorization.
70107438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11684578.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 70107438 is about 8373.0184521473. The cubic root of 70107438 is about 412.3392710814.
The spelling of 70107438 in words is "seventy million, one hundred seven thousand, four hundred thirty-eight".
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