Base | Representation |
---|---|
bin | 10100001001110… |
… | …01011010011101 |
3 | 102210002221002200 |
4 | 22010321122131 |
5 | 321234242101 |
6 | 24435242113 |
7 | 4121644230 |
oct | 1204713235 |
9 | 383087080 |
10 | 169055901 |
11 | 87478223 |
12 | 48749339 |
13 | 290416a1 |
14 | 18649417 |
15 | ec95986 |
hex | a13969d |
169055901 has 24 divisors (see below), whose sum is σ = 293766720. Its totient is φ = 91518336.
The previous prime is 169055881. The next prime is 169055917. The reversal of 169055901 is 109550961.
169055901 is a `hidden beast` number, since 1 + 69 + 0 + 5 + 590 + 1 = 666.
169055901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 169055901 - 25 = 169055869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169055801) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69420 + ... + 71813.
It is an arithmetic number, because the mean of its divisors is an integer number (12240280).
Almost surely, 2169055901 is an apocalyptic number.
It is an amenable number.
169055901 is a deficient number, since it is larger than the sum of its proper divisors (124710819).
169055901 is a wasteful number, since it uses less digits than its factorization.
169055901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141265 (or 141262 counting only the distinct ones).
The product of its (nonzero) digits is 12150, while the sum is 36.
The square root of 169055901 is about 13002.1498606961. The cubic root of 169055901 is about 552.9384340247.
The spelling of 169055901 in words is "one hundred sixty-nine million, fifty-five thousand, nine hundred one".
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