Base | Representation |
---|---|
bin | 1000001111100… |
… | …00011010111101 |
3 | 11211002210021102 |
4 | 10013300122331 |
5 | 120200022310 |
6 | 10505542445 |
7 | 1466461526 |
oct | 407603275 |
9 | 154083242 |
10 | 69142205 |
11 | 36035620 |
12 | 1b1a4a25 |
13 | 1142b262 |
14 | 927b84d |
15 | 610b8a5 |
hex | 41f06bd |
69142205 has 8 divisors (see below), whose sum is σ = 90513504. Its totient is φ = 50285200.
The previous prime is 69142201. The next prime is 69142211. The reversal of 69142205 is 50224196.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69142205 - 22 = 69142201 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69142201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628511 + ... + 628620.
It is an arithmetic number, because the mean of its divisors is an integer number (11314188).
Almost surely, 269142205 is an apocalyptic number.
It is an amenable number.
69142205 is a deficient number, since it is larger than the sum of its proper divisors (21371299).
69142205 is a wasteful number, since it uses less digits than its factorization.
69142205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257147.
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 69142205 is about 8315.1791922965. The cubic root of 69142205 is about 410.4381692749.
It can be divided in two parts, 6914 and 2205, that added together give a palindrome (9119).
The spelling of 69142205 in words is "sixty-nine million, one hundred forty-two thousand, two hundred five".
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