Base | Representation |
---|---|
bin | 10100001010100… |
… | …00001110011111 |
3 | 102210021200021111 |
4 | 22011100032133 |
5 | 321300234333 |
6 | 24441242451 |
7 | 4122513526 |
oct | 1205201637 |
9 | 383250244 |
10 | 169149343 |
11 | 87531450 |
12 | 48793427 |
13 | 2907508c |
14 | 186714bd |
15 | ecb34cd |
hex | a15039f |
169149343 has 16 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 145298880.
The previous prime is 169149329. The next prime is 169149347. The reversal of 169149343 is 343941961.
It is a cyclic number.
It is not a de Polignac number, because 169149343 - 213 = 169141151 is a prime.
It is a super-2 number, since 2×1691493432 = 57223000474663298, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 169149296 and 169149305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169149347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104323 + ... + 105931.
It is an arithmetic number, because the mean of its divisors is an integer number (12171600).
Almost surely, 2169149343 is an apocalyptic number.
169149343 is a deficient number, since it is larger than the sum of its proper divisors (25596257).
169149343 is a wasteful number, since it uses less digits than its factorization.
169149343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2142.
The product of its digits is 69984, while the sum is 40.
The square root of 169149343 is about 13005.7426931337. The cubic root of 169149343 is about 553.0402901886.
The spelling of 169149343 in words is "one hundred sixty-nine million, one hundred forty-nine thousand, three hundred forty-three".
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