Base | Representation |
---|---|
bin | 10100001011001… |
… | …00101000000001 |
3 | 102210102220220002 |
4 | 22011210220001 |
5 | 321310423042 |
6 | 24443125345 |
7 | 4123312241 |
oct | 1205445001 |
9 | 383386802 |
10 | 169232897 |
11 | 875891a9 |
12 | 48813855 |
13 | 290a4112 |
14 | 18693b21 |
15 | eccd132 |
hex | a164a01 |
169232897 has 4 divisors (see below), whose sum is σ = 169343700. Its totient is φ = 169122096.
The previous prime is 169232879. The next prime is 169232923. The reversal of 169232897 is 798232961.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 61716736 + 107516161 = 7856^2 + 10369^2 .
It is a cyclic number.
It is not a de Polignac number, because 169232897 - 214 = 169216513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (169232837) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53078 + ... + 56175.
It is an arithmetic number, because the mean of its divisors is an integer number (42335925).
Almost surely, 2169232897 is an apocalyptic number.
It is an amenable number.
169232897 is a deficient number, since it is larger than the sum of its proper divisors (110803).
169232897 is a wasteful number, since it uses less digits than its factorization.
169232897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110802.
The product of its digits is 326592, while the sum is 47.
The square root of 169232897 is about 13008.9544929637. The cubic root of 169232897 is about 553.1313362058.
The spelling of 169232897 in words is "one hundred sixty-nine million, two hundred thirty-two thousand, eight hundred ninety-seven".
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