Base | Representation |
---|---|
bin | 10100001001100… |
… | …00110010011100 |
3 | 102210001010122012 |
4 | 22010300302130 |
5 | 321232124242 |
6 | 24434410352 |
7 | 4121436230 |
oct | 1204606234 |
9 | 383033565 |
10 | 169020572 |
11 | 87453726 |
12 | 487309b8 |
13 | 2902b596 |
14 | 1863a5c0 |
15 | ec8a282 |
hex | a130c9c |
169020572 has 24 divisors (see below), whose sum is σ = 338316384. Its totient is φ = 72378432.
The previous prime is 169020559. The next prime is 169020589. The reversal of 169020572 is 275020961.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 66998 + ... + 69474.
It is an arithmetic number, because the mean of its divisors is an integer number (14096516).
Almost surely, 2169020572 is an apocalyptic number.
It is an amenable number.
169020572 is an abundant number, since it is smaller than the sum of its proper divisors (169295812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169020572 is a wasteful number, since it uses less digits than its factorization.
169020572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4925 (or 4923 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 169020572 is about 13000.7912066920. The cubic root of 169020572 is about 552.8999139795.
The spelling of 169020572 in words is "one hundred sixty-nine million, twenty thousand, five hundred seventy-two".
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