Base | Representation |
---|---|
bin | 1000010101000… |
… | …10001001110011 |
3 | 11212110202220000 |
4 | 10022202021303 |
5 | 120341321240 |
6 | 10533321043 |
7 | 1505613123 |
oct | 412421163 |
9 | 155422800 |
10 | 69870195 |
11 | 3649256a |
12 | 1b496183 |
13 | 11624715 |
14 | 93cac83 |
15 | 6202430 |
hex | 42a2273 |
69870195 has 20 divisors (see below), whose sum is σ = 125249520. Its totient is φ = 37263888.
The previous prime is 69870173. The next prime is 69870197. The reversal of 69870195 is 59107896.
It is not a de Polignac number, because 69870195 - 214 = 69853811 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 69870195.
It is not an unprimeable number, because it can be changed into a prime (69870197) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85855 + ... + 86664.
It is an arithmetic number, because the mean of its divisors is an integer number (6262476).
Almost surely, 269870195 is an apocalyptic number.
69870195 is a deficient number, since it is larger than the sum of its proper divisors (55379325).
69870195 is a wasteful number, since it uses less digits than its factorization.
69870195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172536 (or 172527 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 45.
The square root of 69870195 is about 8358.8393333046. The cubic root of 69870195 is about 411.8736278616.
The spelling of 69870195 in words is "sixty-nine million, eight hundred seventy thousand, one hundred ninety-five".
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