Base | Representation |
---|---|
bin | 1000010101110… |
… | …10100110100111 |
3 | 11212122212021012 |
4 | 10022322212213 |
5 | 120403022333 |
6 | 10535412435 |
7 | 1506511112 |
oct | 412724647 |
9 | 155585235 |
10 | 69970343 |
11 | 36550833 |
12 | 1b52411b |
13 | 1165b191 |
14 | 9415579 |
15 | 6221e48 |
hex | 42ba9a7 |
69970343 has 4 divisors (see below), whose sum is σ = 70302168. Its totient is φ = 69638520.
The previous prime is 69970339. The next prime is 69970349. The reversal of 69970343 is 34307996.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 69970343 - 22 = 69970339 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69970343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69970349) 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, 165596 + ... + 166017.
It is an arithmetic number, because the mean of its divisors is an integer number (17575542).
Almost surely, 269970343 is an apocalyptic number.
69970343 is a deficient number, since it is larger than the sum of its proper divisors (331825).
69970343 is a wasteful number, since it uses less digits than its factorization.
69970343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331824.
The product of its (nonzero) digits is 122472, while the sum is 41.
The square root of 69970343 is about 8364.8277328347. The cubic root of 69970343 is about 412.0703193983.
The spelling of 69970343 in words is "sixty-nine million, nine hundred seventy thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •