Base | Representation |
---|---|
bin | 10100001000111… |
… | …11011011110111 |
3 | 102202220112010201 |
4 | 22010133123313 |
5 | 321222340440 |
6 | 24433101331 |
7 | 4121022061 |
oct | 1204373367 |
9 | 382815121 |
10 | 168949495 |
11 | 87405290 |
12 | 486b7847 |
13 | 29005120 |
14 | 1861c731 |
15 | ec7419a |
hex | a11f6f7 |
168949495 has 16 divisors (see below), whose sum is σ = 238184352. Its totient is φ = 113420160.
The previous prime is 168949493. The next prime is 168949499. The reversal of 168949495 is 594949861.
It is not a de Polignac number, because 168949495 - 21 = 168949493 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168949493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117432 + ... + 118861.
It is an arithmetic number, because the mean of its divisors is an integer number (14886522).
Almost surely, 2168949495 is an apocalyptic number.
168949495 is a deficient number, since it is larger than the sum of its proper divisors (69234857).
168949495 is a wasteful number, since it uses less digits than its factorization.
168949495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236322.
The product of its digits is 2799360, while the sum is 55.
The square root of 168949495 is about 12998.0573548511. The cubic root of 168949495 is about 552.8224007777.
The spelling of 168949495 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, four hundred ninety-five".
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