Base | Representation |
---|---|
bin | 1000010101101… |
… | …01001011100101 |
3 | 11212121201210121 |
4 | 10022311023211 |
5 | 120401320013 |
6 | 10535121541 |
7 | 1506356263 |
oct | 412651345 |
9 | 155551717 |
10 | 69948133 |
11 | 36536082 |
12 | 1b5132b1 |
13 | 11651038 |
14 | 940b433 |
15 | 621a58d |
hex | 42b52e5 |
69948133 has 4 divisors (see below), whose sum is σ = 69989920. Its totient is φ = 69906348.
The previous prime is 69948127. The next prime is 69948161. The reversal of 69948133 is 33184996.
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.
It is a cyclic number.
It is not a de Polignac number, because 69948133 - 29 = 69947621 is a prime.
It is the 8364-th Hogben number.
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 69948133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69948103) by changing a digit.
It is a nontrivial repunit in base 8363.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18273 + ... + 21766.
It is an arithmetic number, because the mean of its divisors is an integer number (17497480).
Almost surely, 269948133 is an apocalyptic number.
It is an amenable number.
69948133 is a deficient number, since it is larger than the sum of its proper divisors (41787).
69948133 is a wasteful number, since it uses less digits than its factorization.
69948133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41786.
The product of its digits is 139968, while the sum is 43.
The square root of 69948133 is about 8363.5000448377. The cubic root of 69948133 is about 412.0267149705.
The spelling of 69948133 in words is "sixty-nine million, nine hundred forty-eight thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •