Base | Representation |
---|---|
bin | 1000010110100… |
… | …11010010101001 |
3 | 11212211222222110 |
4 | 10023103102221 |
5 | 120414241330 |
6 | 10541512533 |
7 | 1510411662 |
oct | 413232251 |
9 | 155758873 |
10 | 70071465 |
11 | 3660a802 |
12 | 1b572749 |
13 | 11695209 |
14 | 9440369 |
15 | 6241db0 |
hex | 42d34a9 |
70071465 has 16 divisors (see below), whose sum is σ = 112392000. Its totient is φ = 37278912.
The previous prime is 70071461. The next prime is 70071479. The reversal of 70071465 is 56417007.
It is a happy number.
It is not a de Polignac number, because 70071465 - 22 = 70071461 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70071461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711 + ... + 11859.
It is an arithmetic number, because the mean of its divisors is an integer number (7024500).
Almost surely, 270071465 is an apocalyptic number.
It is an amenable number.
70071465 is a deficient number, since it is larger than the sum of its proper divisors (42320535).
70071465 is a wasteful number, since it uses less digits than its factorization.
70071465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11576.
The product of its (nonzero) digits is 5880, while the sum is 30.
The square root of 70071465 is about 8370.8700264668. The cubic root of 70071465 is about 412.2687335429.
The spelling of 70071465 in words is "seventy million, seventy-one thousand, four hundred sixty-five".
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