Base | Representation |
---|---|
bin | 10010010011111… |
… | …101011111000111 |
3 | 210102002112000001 |
4 | 102103331133013 |
5 | 1112122104341 |
6 | 50252502131 |
7 | 10420230223 |
oct | 2223753707 |
9 | 712075001 |
10 | 307222471 |
11 | 148467876 |
12 | 86a7a947 |
13 | 4b85935a |
14 | 2cb33783 |
15 | 1be88d31 |
hex | 124fd7c7 |
307222471 has 8 divisors (see below), whose sum is σ = 319029984. Its totient is φ = 295620480.
The previous prime is 307222459. The next prime is 307222483. The reversal of 307222471 is 174222703.
It is an interprime number because it is at equal distance from previous prime (307222459) and next prime (307222483).
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 307222471 - 213 = 307214279 is a prime.
It is a super-3 number, since 3×3072224713 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (307222411) 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, 48331 + ... + 54316.
It is an arithmetic number, because the mean of its divisors is an integer number (39878748).
Almost surely, 2307222471 is an apocalyptic number.
307222471 is a deficient number, since it is larger than the sum of its proper divisors (11807513).
307222471 is a wasteful number, since it uses less digits than its factorization.
307222471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102761.
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 307222471 is about 17527.7628635260. The cubic root of 307222471 is about 674.7625839023.
It can be divided in two parts, 307 and 222471, that added together give a triangular number (222778 = T667).
The spelling of 307222471 in words is "three hundred seven million, two hundred twenty-two thousand, four hundred seventy-one".
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