Base | Representation |
---|---|
bin | 10010010100001… |
… | …011110011010011 |
3 | 210102012111102202 |
4 | 102110023303103 |
5 | 1112130443412 |
6 | 50254033415 |
7 | 10420563200 |
oct | 2224136323 |
9 | 712174382 |
10 | 307281107 |
11 | 1484a7931 |
12 | 86aa886b |
13 | 4b879c53 |
14 | 2cb4aca7 |
15 | 1be9b3c2 |
hex | 1250bcd3 |
307281107 has 6 divisors (see below), whose sum is σ = 357449508. Its totient is φ = 263383764.
The previous prime is 307281089. The next prime is 307281109. The reversal of 307281107 is 701182703.
It is not a de Polignac number, because 307281107 - 214 = 307264723 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 307281107.
It is not an unprimeable number, because it can be changed into a prime (307281109) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3135473 + ... + 3135570.
It is an arithmetic number, because the mean of its divisors is an integer number (59574918).
Almost surely, 2307281107 is an apocalyptic number.
307281107 is a deficient number, since it is larger than the sum of its proper divisors (50168401).
307281107 is an equidigital number, since it uses as much as digits as its factorization.
307281107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6271057 (or 6271050 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 307281107 is about 17529.4354444175. The cubic root of 307281107 is about 674.8055092151.
The spelling of 307281107 in words is "three hundred seven million, two hundred eighty-one thousand, one hundred seven".
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