Base | Representation |
---|---|
bin | 100110111110100… |
… | …1001011011110001 |
3 | 10101010222221021221 |
4 | 1031331021123301 |
5 | 10134304000212 |
6 | 333440145041 |
7 | 44260516546 |
oct | 11575113361 |
9 | 3333887257 |
10 | 1307875057 |
11 | 611296985 |
12 | 306008181 |
13 | 17ac64588 |
14 | c59b0bcd |
15 | 79c48807 |
hex | 4df496f1 |
1307875057 has 8 divisors (see below), whose sum is σ = 1342140800. Its totient is φ = 1273784400.
The previous prime is 1307875039. The next prime is 1307875087. The reversal of 1307875057 is 7505787031.
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 1307875057 - 211 = 1307873009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1307875087) 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, 28569 + ... + 58582.
It is an arithmetic number, because the mean of its divisors is an integer number (167767600).
Almost surely, 21307875057 is an apocalyptic number.
It is an amenable number.
1307875057 is a deficient number, since it is larger than the sum of its proper divisors (34265743).
1307875057 is an equidigital number, since it uses as much as digits as its factorization.
1307875057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87543.
The product of its (nonzero) digits is 205800, while the sum is 43.
The square root of 1307875057 is about 36164.5552578765. Note that the first 3 decimals coincide. The cubic root of 1307875057 is about 1093.5922380260.
The spelling of 1307875057 in words is "one billion, three hundred seven million, eight hundred seventy-five thousand, fifty-seven".
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