Base | Representation |
---|---|
bin | 1000001111100… |
… | …00000000000100 |
3 | 11211002200220200 |
4 | 10013300000010 |
5 | 120144443414 |
6 | 10505530500 |
7 | 1466453520 |
oct | 407600004 |
9 | 154080820 |
10 | 69140484 |
11 | 360342a6 |
12 | 1b1a3a30 |
13 | 1142a53a |
14 | 927ad80 |
15 | 610b109 |
hex | 41f0004 |
69140484 has 144 divisors (see below), whose sum is σ = 212459520. Its totient is φ = 18532800.
The previous prime is 69140483. The next prime is 69140521. The reversal of 69140484 is 48404196.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69140483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457809 + ... + 457959.
Almost surely, 269140484 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69140484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106229760).
69140484 is an abundant number, since it is smaller than the sum of its proper divisors (143319036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69140484 is a wasteful number, since it uses less digits than its factorization.
69140484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270 (or 265 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 69140484 is about 8315.0757062098. The cubic root of 69140484 is about 410.4347638780.
The spelling of 69140484 in words is "sixty-nine million, one hundred forty thousand, four hundred eighty-four".
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