Base | Representation |
---|---|
bin | 1000010110100… |
… | …10110111010000 |
3 | 11212211220120112 |
4 | 10023102313100 |
5 | 120414212322 |
6 | 10541500452 |
7 | 1510403606 |
oct | 413226720 |
9 | 155756515 |
10 | 70069712 |
11 | 36609459 |
12 | 1b571728 |
13 | 1169448b |
14 | 943d876 |
15 | 62415e2 |
hex | 42d2dd0 |
70069712 has 20 divisors (see below), whose sum is σ = 139430436. Its totient is φ = 34087680.
The previous prime is 70069709. The next prime is 70069717. The reversal of 70069712 is 21796007.
It can be written as a sum of positive squares in 2 ways, for example, as 67831696 + 2238016 = 8236^2 + 1496^2 .
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 (70069717) 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, 58589 + ... + 59772.
Almost surely, 270069712 is an apocalyptic number.
It is an amenable number.
70069712 is a deficient number, since it is larger than the sum of its proper divisors (69360724).
70069712 is a wasteful number, since it uses less digits than its factorization.
70069712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118406 (or 118400 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 70069712 is about 8370.7653174605. The cubic root of 70069712 is about 412.2652955618.
The spelling of 70069712 in words is "seventy million, sixty-nine thousand, seven hundred twelve".
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