Base | Representation |
---|---|
bin | 10010010110110… |
… | …001110000100101 |
3 | 210110111000220010 |
4 | 102112301300211 |
5 | 1112314221434 |
6 | 50320400433 |
7 | 10426424046 |
oct | 2226616045 |
9 | 713430803 |
10 | 307960869 |
11 | 148921617 |
12 | 87176119 |
13 | 4ba57488 |
14 | 2cc868cd |
15 | 1c0829e9 |
hex | 125b1c25 |
307960869 has 16 divisors (see below), whose sum is σ = 429115392. Its totient is φ = 196083888.
The previous prime is 307960853. The next prime is 307960897. The reversal of 307960869 is 968069703.
It is a happy number.
It is not a de Polignac number, because 307960869 - 24 = 307960853 is a prime.
It is a super-2 number, since 2×3079608692 = 189679793670470322, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307960819) 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, 48264 + ... + 54270.
It is an arithmetic number, because the mean of its divisors is an integer number (26819712).
Almost surely, 2307960869 is an apocalyptic number.
It is an amenable number.
307960869 is a deficient number, since it is larger than the sum of its proper divisors (121154523).
307960869 is a wasteful number, since it uses less digits than its factorization.
307960869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6776.
The product of its (nonzero) digits is 489888, while the sum is 48.
The square root of 307960869 is about 17548.8138915426. The cubic root of 307960869 is about 675.3027404681.
The spelling of 307960869 in words is "three hundred seven million, nine hundred sixty thousand, eight hundred sixty-nine".
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