Base | Representation |
---|---|
bin | 101000011010100… |
… | …100010001101101 |
3 | 1202020212122211002 |
4 | 220122210101231 |
5 | 2342040143343 |
6 | 151141010045 |
7 | 22542232553 |
oct | 5032442155 |
9 | 1666778732 |
10 | 678052973 |
11 | 31881a264 |
12 | 16b0b3925 |
13 | aa6269a0 |
14 | 660a3bd3 |
15 | 3e7d98b8 |
hex | 286a446d |
678052973 has 32 divisors (see below), whose sum is σ = 817205760. Its totient is φ = 556416000.
The previous prime is 678052961. The next prime is 678053021. The reversal of 678052973 is 379250876.
It is a cyclic number.
It is not a de Polignac number, because 678052973 - 26 = 678052909 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (678052933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300098 + ... + 302348.
It is an arithmetic number, because the mean of its divisors is an integer number (25537680).
Almost surely, 2678052973 is an apocalyptic number.
It is an amenable number.
678052973 is a deficient number, since it is larger than the sum of its proper divisors (139152787).
678052973 is a wasteful number, since it uses less digits than its factorization.
678052973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2357.
The product of its (nonzero) digits is 635040, while the sum is 47.
The square root of 678052973 is about 26039.4503206193. The cubic root of 678052973 is about 878.5258432848.
The spelling of 678052973 in words is "six hundred seventy-eight million, fifty-two thousand, nine hundred seventy-three".
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