Base | Representation |
---|---|
bin | 1000011011001… |
… | …11000111101001 |
3 | 11220222202120112 |
4 | 10031213013221 |
5 | 121043130334 |
6 | 11002504105 |
7 | 1515513206 |
oct | 415470751 |
9 | 156882515 |
10 | 70676969 |
11 | 36993720 |
12 | 1b805035 |
13 | 118479bc |
14 | 955acad |
15 | 63114ce |
hex | 43671e9 |
70676969 has 4 divisors (see below), whose sum is σ = 77102160. Its totient is φ = 64251780.
The previous prime is 70676959. The next prime is 70676971. The reversal of 70676969 is 96967607.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96967607 = 11 ⋅8815237.
It is a cyclic number.
It is not a de Polignac number, because 70676969 - 220 = 69628393 is a prime.
It is a super-2 number, since 2×706769692 = 9990467894053922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70676959) 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, 3212579 + ... + 3212600.
It is an arithmetic number, because the mean of its divisors is an integer number (19275540).
Almost surely, 270676969 is an apocalyptic number.
It is an amenable number.
70676969 is a deficient number, since it is larger than the sum of its proper divisors (6425191).
70676969 is a wasteful number, since it uses less digits than its factorization.
70676969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6425190.
The product of its (nonzero) digits is 857304, while the sum is 50.
The square root of 70676969 is about 8406.9595574143. The cubic root of 70676969 is about 413.4528330481.
The spelling of 70676969 in words is "seventy million, six hundred seventy-six thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •