Base | Representation |
---|---|
bin | 10100001011000… |
… | …11101001011101 |
3 | 102210102201101210 |
4 | 22011203221131 |
5 | 321310311033 |
6 | 24443055033 |
7 | 4123264461 |
oct | 1205435135 |
9 | 383381353 |
10 | 169228893 |
11 | 87586199 |
12 | 48811479 |
13 | 290a2352 |
14 | 186924a1 |
15 | eccbd63 |
hex | a163a5d |
169228893 has 8 divisors (see below), whose sum is σ = 225704800. Its totient is φ = 112786128.
The previous prime is 169228859. The next prime is 169228901. The reversal of 169228893 is 398822961.
169228893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 169228893 - 28 = 169228637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169228093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 20256.
It is an arithmetic number, because the mean of its divisors is an integer number (28213100).
Almost surely, 2169228893 is an apocalyptic number.
It is an amenable number.
169228893 is a deficient number, since it is larger than the sum of its proper divisors (56475907).
169228893 is a wasteful number, since it uses less digits than its factorization.
169228893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16571.
The product of its digits is 373248, while the sum is 48.
The square root of 169228893 is about 13008.8005980567. The cubic root of 169228893 is about 553.1269738638.
The spelling of 169228893 in words is "one hundred sixty-nine million, two hundred twenty-eight thousand, eight hundred ninety-three".
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