Base | Representation |
---|---|
bin | 101011001101000… |
… | …1000010000110101 |
3 | 10202000211220001100 |
4 | 1112122020100311 |
5 | 10432110041130 |
6 | 355503520313 |
7 | 50632106640 |
oct | 12632102065 |
9 | 3660756040 |
10 | 1449690165 |
11 | 684348750 |
12 | 3455b9099 |
13 | 1a1458b41 |
14 | da768a57 |
15 | 8740cc60 |
hex | 56688435 |
1449690165 has 48 divisors (see below), whose sum is σ = 3132844416. Its totient is φ = 602467200.
The previous prime is 1449690149. The next prime is 1449690167. The reversal of 1449690165 is 5610969441.
It is a happy number.
1449690165 is a `hidden beast` number, since 14 + 496 + 90 + 1 + 65 = 666.
It is not a de Polignac number, because 1449690165 - 24 = 1449690149 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1449690165.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1449690167) 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 47 ways as a sum of consecutive naturals, for example, 205726 + ... + 212655.
It is an arithmetic number, because the mean of its divisors is an integer number (65267592).
Almost surely, 21449690165 is an apocalyptic number.
1449690165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1449690165 is an abundant number, since it is smaller than the sum of its proper divisors (1683154251).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1449690165 is a wasteful number, since it uses less digits than its factorization.
1449690165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418410 (or 418407 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 1449690165 is about 38074.7969791042. The cubic root of 1449690165 is about 1131.7705724925.
The spelling of 1449690165 in words is "one billion, four hundred forty-nine million, six hundred ninety thousand, one hundred sixty-five".
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