Base | Representation |
---|---|
bin | 10101111111001… |
… | …101010111101001 |
3 | 221201010121211022 |
4 | 111333031113221 |
5 | 1223414010434 |
6 | 100334342225 |
7 | 12066345020 |
oct | 2577152751 |
9 | 851117738 |
10 | 368891369 |
11 | 17a258600 |
12 | a365a975 |
13 | 5b56bb22 |
14 | 36dc78b7 |
15 | 225bb22e |
hex | 15fcd5e9 |
368891369 has 48 divisors (see below), whose sum is σ = 485184000. Its totient is φ = 274285440.
The previous prime is 368891359. The next prime is 368891377. The reversal of 368891369 is 963198863.
It is not a de Polignac number, because 368891369 - 24 = 368891353 is a prime.
It is a super-2 number, since 2×3688913692 = 272161684245388322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 368891369.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (368891359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2475707 + ... + 2475855.
It is an arithmetic number, because the mean of its divisors is an integer number (10108000).
Almost surely, 2368891369 is an apocalyptic number.
It is an amenable number.
368891369 is a deficient number, since it is larger than the sum of its proper divisors (116292631).
368891369 is a wasteful number, since it uses less digits than its factorization.
368891369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 283 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 53.
The square root of 368891369 is about 19206.5449521771. The cubic root of 368891369 is about 717.1876978582.
The spelling of 368891369 in words is "three hundred sixty-eight million, eight hundred ninety-one thousand, three hundred sixty-nine".
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