Base | Representation |
---|---|
bin | 1000001111011… |
… | …11111100011101 |
3 | 11211002200121010 |
4 | 10013233330131 |
5 | 120144442003 |
6 | 10505525433 |
7 | 1466453040 |
oct | 407577435 |
9 | 154080533 |
10 | 69140253 |
11 | 36034106 |
12 | 1b1a3879 |
13 | 1142a3c0 |
14 | 927ac57 |
15 | 610b003 |
hex | 41eff1d |
69140253 has 32 divisors (see below), whose sum is σ = 113913856. Its totient is φ = 36324288.
The previous prime is 69140237. The next prime is 69140299. The reversal of 69140253 is 35204196.
It is not a de Polignac number, because 69140253 - 24 = 69140237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69140253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69140213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126126 + ... + 126672.
It is an arithmetic number, because the mean of its divisors is an integer number (3559808).
Almost surely, 269140253 is an apocalyptic number.
It is an amenable number.
69140253 is a deficient number, since it is larger than the sum of its proper divisors (44773603).
69140253 is a wasteful number, since it uses less digits than its factorization.
69140253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1033.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 69140253 is about 8315.0618157654. The cubic root of 69140253 is about 410.4343067867.
The spelling of 69140253 in words is "sixty-nine million, one hundred forty thousand, two hundred fifty-three".
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