Base | Representation |
---|---|
bin | 1000011000011… |
… | …01001111111100 |
3 | 11220022001121212 |
4 | 10030031033330 |
5 | 120444340420 |
6 | 10550543552 |
7 | 1512421046 |
oct | 414151774 |
9 | 156261555 |
10 | 70308860 |
11 | 367620a6 |
12 | 1b667bb8 |
13 | 1174929b |
14 | 94a2a96 |
15 | 628c3c5 |
hex | 430d3fc |
70308860 has 12 divisors (see below), whose sum is σ = 147648648. Its totient is φ = 28123536.
The previous prime is 70308857. The next prime is 70308869. The reversal of 70308860 is 6880307.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70308869) 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, 1757702 + ... + 1757741.
It is an arithmetic number, because the mean of its divisors is an integer number (12304054).
Almost surely, 270308860 is an apocalyptic number.
It is an amenable number.
70308860 is an abundant number, since it is smaller than the sum of its proper divisors (77339788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70308860 is a wasteful number, since it uses less digits than its factorization.
70308860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3515452 (or 3515450 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 70308860 is about 8385.0378651500. The cubic root of 70308860 is about 412.7337836095.
The spelling of 70308860 in words is "seventy million, three hundred eight thousand, eight hundred sixty".
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