Base | Representation |
---|---|
bin | 10010010101101… |
… | …110101011111101 |
3 | 210102222002001000 |
4 | 102111232223331 |
5 | 1112231424031 |
6 | 50310440513 |
7 | 10424201100 |
oct | 2225565375 |
9 | 712862030 |
10 | 307686141 |
11 | 148754174 |
12 | 87063139 |
13 | 4b98c409 |
14 | 2cc14737 |
15 | 1c02b3e6 |
hex | 1256eafd |
307686141 has 24 divisors (see below), whose sum is σ = 530255040. Its totient is φ = 175819896.
The previous prime is 307686131. The next prime is 307686149. The reversal of 307686141 is 141686703.
307686141 is a `hidden beast` number, since 30 + 7 + 6 + 8 + 614 + 1 = 666.
It is not a de Polignac number, because 307686141 - 25 = 307686109 is a prime.
It is a super-2 number, since 2×3076861412 = 189341522726943762, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 307686096 and 307686105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307686149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114961 + ... + 117606.
It is an arithmetic number, because the mean of its divisors is an integer number (22093960).
Almost surely, 2307686141 is an apocalyptic number.
It is an amenable number.
307686141 is a deficient number, since it is larger than the sum of its proper divisors (222568899).
307686141 is a wasteful number, since it uses less digits than its factorization.
307686141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232590 (or 232577 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 307686141 is about 17540.9846074843. The cubic root of 307686141 is about 675.1018710446.
The spelling of 307686141 in words is "three hundred seven million, six hundred eighty-six thousand, one hundred forty-one".
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