Base | Representation |
---|---|
bin | 100110111101101… |
… | …1010011100110001 |
3 | 10101010010211201012 |
4 | 1031323122130301 |
5 | 10134144423330 |
6 | 333422320305 |
7 | 44253614321 |
oct | 11573323461 |
9 | 3333124635 |
10 | 1307420465 |
11 | 61100638a |
12 | 305a29095 |
13 | 17ab356a0 |
14 | c58d3281 |
15 | 79ba8c95 |
hex | 4deda731 |
1307420465 has 8 divisors (see below), whose sum is σ = 1689589608. Its totient is φ = 965479680.
The previous prime is 1307420459. The next prime is 1307420467. The reversal of 1307420465 is 5640247031.
It can be written as a sum of positive squares in 4 ways, for example, as 10916416 + 1296504049 = 3304^2 + 36007^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1307420465 - 24 = 1307420449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1307420467) 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, 10057016 + ... + 10057145.
It is an arithmetic number, because the mean of its divisors is an integer number (211198701).
Almost surely, 21307420465 is an apocalyptic number.
It is an amenable number.
1307420465 is a deficient number, since it is larger than the sum of its proper divisors (382169143).
1307420465 is a wasteful number, since it uses less digits than its factorization.
1307420465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20114179.
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 1307420465 is about 36158.2696626927. The cubic root of 1307420465 is about 1093.4655195270.
Adding to 1307420465 its reverse (5640247031), we get a palindrome (6947667496).
The spelling of 1307420465 in words is "one billion, three hundred seven million, four hundred twenty thousand, four hundred sixty-five".
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