Base | Representation |
---|---|
bin | 10011010100010… |
… | …01111111111101 |
3 | 102021220210020211 |
4 | 21222021333331 |
5 | 312440432244 |
6 | 24025112421 |
7 | 4005240112 |
oct | 1152117775 |
9 | 367823224 |
10 | 162045949 |
11 | 8351a57a |
12 | 46328711 |
13 | 27758aa0 |
14 | 17742909 |
15 | e35d934 |
hex | 9a89ffd |
162045949 has 8 divisors (see below), whose sum is σ = 176473080. Its totient is φ = 147899136.
The previous prime is 162045943. The next prime is 162045967. The reversal of 162045949 is 949540261.
It can be written as a sum of positive squares in 4 ways, for example, as 8732025 + 153313924 = 2955^2 + 12382^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 162045949 - 29 = 162045437 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 (162045943) 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, 68872 + ... + 71185.
It is an arithmetic number, because the mean of its divisors is an integer number (22059135).
Almost surely, 2162045949 is an apocalyptic number.
It is an amenable number.
162045949 is a deficient number, since it is larger than the sum of its proper divisors (14427131).
162045949 is a wasteful number, since it uses less digits than its factorization.
162045949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140159.
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 162045949 is about 12729.7269805758. The cubic root of 162045949 is about 545.1877130233.
The spelling of 162045949 in words is "one hundred sixty-two million, forty-five thousand, nine hundred forty-nine".
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