Base | Representation |
---|---|
bin | 10010010101110… |
… | …001001010011111 |
3 | 210102222120221210 |
4 | 102111301022133 |
5 | 1112232240122 |
6 | 50310555503 |
7 | 10424242503 |
oct | 2225611237 |
9 | 712876853 |
10 | 307696287 |
11 | 148760858 |
12 | 87068b93 |
13 | 4b993c12 |
14 | 2cc18303 |
15 | 1c02e40c |
hex | 1257129f |
307696287 has 8 divisors (see below), whose sum is σ = 410388480. Its totient is φ = 205067480.
The previous prime is 307696283. The next prime is 307696289. The reversal of 307696287 is 782696703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 307696287 - 22 = 307696283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307696283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 24992.
It is an arithmetic number, because the mean of its divisors is an integer number (51298560).
Almost surely, 2307696287 is an apocalyptic number.
307696287 is a deficient number, since it is larger than the sum of its proper divisors (102692193).
307696287 is a wasteful number, since it uses less digits than its factorization.
307696287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31693.
The product of its (nonzero) digits is 762048, while the sum is 48.
The square root of 307696287 is about 17541.2738134948. The cubic root of 307696287 is about 675.1092914940.
The spelling of 307696287 in words is "three hundred seven million, six hundred ninety-six thousand, two hundred eighty-seven".
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