Base | Representation |
---|---|
bin | 100111111101101… |
… | …011100111000111 |
3 | 1201201121221210200 |
4 | 213331223213013 |
5 | 2333120341324 |
6 | 150310421543 |
7 | 22420664430 |
oct | 4775534707 |
9 | 1651557720 |
10 | 670480839 |
11 | 3145181a6 |
12 | 1686618b3 |
13 | a8ba5232 |
14 | 65092487 |
15 | 3dce0ec9 |
hex | 27f6b9c7 |
670480839 has 24 divisors (see below), whose sum is σ = 1108423680. Its totient is φ = 382578768.
The previous prime is 670480813. The next prime is 670480871. The reversal of 670480839 is 938084076.
It is a happy number.
It is not a de Polignac number, because 670480839 - 25 = 670480807 is a prime.
It is a super-2 number, since 2×6704808392 = 899089110932287842, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 670480794 and 670480803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (670481839) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38482 + ... + 53120.
It is an arithmetic number, because the mean of its divisors is an integer number (46184320).
Almost surely, 2670480839 is an apocalyptic number.
670480839 is a deficient number, since it is larger than the sum of its proper divisors (437942841).
670480839 is a wasteful number, since it uses less digits than its factorization.
670480839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15379 (or 15376 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 670480839 is about 25893.6447608289. The cubic root of 670480839 is about 875.2432908237.
The spelling of 670480839 in words is "six hundred seventy million, four hundred eighty thousand, eight hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •