Base | Representation |
---|---|
bin | 11000000110001… |
… | …11101011010101 |
3 | 112002101000002012 |
4 | 30003013223111 |
5 | 403222110334 |
6 | 32020354005 |
7 | 5003125322 |
oct | 1403075325 |
9 | 462330065 |
10 | 202144469 |
11 | a411814a |
12 | 57845905 |
13 | 32b58417 |
14 | 1cbbdb49 |
15 | 12b2e9ce |
hex | c0c7ad5 |
202144469 has 2 divisors, whose sum is σ = 202144470. Its totient is φ = 202144468.
The previous prime is 202144463. The next prime is 202144499. The reversal of 202144469 is 964441202.
202144469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 145323025 + 56821444 = 12055^2 + 7538^2 .
It is a cyclic number.
It is not a de Polignac number, because 202144469 - 28 = 202144213 is a prime.
It is a super-2 number, since 2×2021444692 = 81724772694583922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (202144463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101072234 + 101072235.
It is an arithmetic number, because the mean of its divisors is an integer number (101072235).
Almost surely, 2202144469 is an apocalyptic number.
It is an amenable number.
202144469 is a deficient number, since it is larger than the sum of its proper divisors (1).
202144469 is an equidigital number, since it uses as much as digits as its factorization.
202144469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 202144469 is about 14217.7518968366. The cubic root of 202144469 is about 586.8862765043.
The spelling of 202144469 in words is "two hundred two million, one hundred forty-four thousand, four hundred sixty-nine".
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