Base | Representation |
---|---|
bin | 1000011011101… |
… | …10000010000000 |
3 | 11221002212100201 |
4 | 10031312002000 |
5 | 121102104143 |
6 | 11004054544 |
7 | 1516156243 |
oct | 415660200 |
9 | 157085321 |
10 | 70738048 |
11 | 36a255a7 |
12 | 1b834454 |
13 | 11869744 |
14 | 957525a |
15 | 632464d |
hex | 4376080 |
70738048 has 32 divisors (see below), whose sum is σ = 141907500. Its totient is φ = 35122176.
The previous prime is 70738039. The next prime is 70738051. The reversal of 70738048 is 84083707.
It can be written as a sum of positive squares in 2 ways, for example, as 62853184 + 7884864 = 7928^2 + 2808^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 70737998 and 70738016.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17218 + ... + 20926.
Almost surely, 270738048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70738048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70953750).
70738048 is an abundant number, since it is smaller than the sum of its proper divisors (71169452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70738048 is a wasteful number, since it uses less digits than its factorization.
70738048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3872 (or 3860 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 37.
The square root of 70738048 is about 8410.5914179682. The cubic root of 70738048 is about 413.5719006634.
The spelling of 70738048 in words is "seventy million, seven hundred thirty-eight thousand, forty-eight".
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