Base | Representation |
---|---|
bin | 1000011001011… |
… | …11010000010100 |
3 | 11220120010200200 |
4 | 10030233100110 |
5 | 121013320043 |
6 | 10553540500 |
7 | 1513541121 |
oct | 414572024 |
9 | 156503620 |
10 | 70448148 |
11 | 36847811 |
12 | 1b714730 |
13 | 117977c4 |
14 | 94db748 |
15 | 62b87d3 |
hex | 432f414 |
70448148 has 36 divisors (see below), whose sum is σ = 182893620. Its totient is φ = 22847616.
The previous prime is 70448129. The next prime is 70448167. The reversal of 70448148 is 84184407.
It is a happy number.
70448148 is a `hidden beast` number, since 70 + 448 + 148 = 666.
It is an interprime number because it is at equal distance from previous prime (70448129) and next prime (70448167).
It can be written as a sum of positive squares in 2 ways, for example, as 56520324 + 13927824 = 7518^2 + 3732^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 25113 + ... + 27776.
Almost surely, 270448148 is an apocalyptic number.
It is an amenable number.
70448148 is an abundant number, since it is smaller than the sum of its proper divisors (112445472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70448148 is a wasteful number, since it uses less digits than its factorization.
70448148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52936 (or 52931 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 36.
The square root of 70448148 is about 8393.3395022482. The cubic root of 70448148 is about 413.0061577290.
The spelling of 70448148 in words is "seventy million, four hundred forty-eight thousand, one hundred forty-eight".
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