Base | Representation |
---|---|
bin | 1000011010011… |
… | …11100110110100 |
3 | 11220210212110112 |
4 | 10031033212310 |
5 | 121032040120 |
6 | 11000442152 |
7 | 1514632343 |
oct | 415174664 |
9 | 156725415 |
10 | 70580660 |
11 | 36928327 |
12 | 1b779358 |
13 | 11812c07 |
14 | 9533b5a |
15 | 62e2bc5 |
hex | 434f9b4 |
70580660 has 24 divisors (see below), whose sum is σ = 150651816. Its totient is φ = 27768960.
The previous prime is 70580659. The next prime is 70580669. The reversal of 70580660 is 6608507.
It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 67831696 = 1658^2 + 8236^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70580669) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27707 + ... + 30146.
It is an arithmetic number, because the mean of its divisors is an integer number (6277159).
Almost surely, 270580660 is an apocalyptic number.
It is an amenable number.
70580660 is an abundant number, since it is smaller than the sum of its proper divisors (80071156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70580660 is a wasteful number, since it uses less digits than its factorization.
70580660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57923 (or 57921 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 70580660 is about 8401.2296718992. The cubic root of 70580660 is about 413.2649485085.
The spelling of 70580660 in words is "seventy million, five hundred eighty thousand, six hundred sixty".
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