Base | Representation |
---|---|
bin | 1000011011110… |
… | …00100101110010 |
3 | 11221010101201221 |
4 | 10031320211302 |
5 | 121102423110 |
6 | 11004215254 |
7 | 1516231636 |
oct | 415704562 |
9 | 157111657 |
10 | 70748530 |
11 | 36a32466 |
12 | 1b83a52a |
13 | 11871448 |
14 | 9578dc6 |
15 | 63277da |
hex | 4378972 |
70748530 has 8 divisors (see below), whose sum is σ = 127347372. Its totient is φ = 28299408.
The previous prime is 70748527. The next prime is 70748539. The reversal of 70748530 is 3584707.
It can be written as a sum of positive squares in 2 ways, for example, as 70711281 + 37249 = 8409^2 + 193^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (70748539) 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 3 ways as a sum of consecutive naturals, for example, 3537417 + ... + 3537436.
Almost surely, 270748530 is an apocalyptic number.
70748530 is a deficient number, since it is larger than the sum of its proper divisors (56598842).
70748530 is a wasteful number, since it uses less digits than its factorization.
70748530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7074860.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 70748530 is about 8411.2145377466. The cubic root of 70748530 is about 413.5923274195.
The spelling of 70748530 in words is "seventy million, seven hundred forty-eight thousand, five hundred thirty".
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