Base | Representation |
---|---|
bin | 1000010010000… |
… | …00011110001010 |
3 | 11211201110001022 |
4 | 10021000132022 |
5 | 120241020330 |
6 | 10520552442 |
7 | 1502325464 |
oct | 411003612 |
9 | 154643038 |
10 | 69470090 |
11 | 362399a8 |
12 | 1b322722 |
13 | 11514581 |
14 | 9325134 |
15 | 6173ae5 |
hex | 424078a |
69470090 has 32 divisors (see below), whose sum is σ = 129029760. Its totient is φ = 26910144.
The previous prime is 69470059. The next prime is 69470129. The reversal of 69470090 is 9007496.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 69470090.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132569 + ... + 133091.
It is an arithmetic number, because the mean of its divisors is an integer number (4032180).
Almost surely, 269470090 is an apocalyptic number.
69470090 is a deficient number, since it is larger than the sum of its proper divisors (59559670).
69470090 is a wasteful number, since it uses less digits than its factorization.
69470090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926.
The product of its (nonzero) digits is 13608, while the sum is 35.
The square root of 69470090 is about 8334.8719246309. The cubic root of 69470090 is about 411.0859373975.
The spelling of 69470090 in words is "sixty-nine million, four hundred seventy thousand, ninety".
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