Base | Representation |
---|---|
bin | 100111010101110… |
… | …000000101011110 |
3 | 1200222221011011222 |
4 | 213111300011132 |
5 | 2322430412111 |
6 | 145254213342 |
7 | 22233010223 |
oct | 4725600536 |
9 | 1628834158 |
10 | 660013406 |
11 | 309618928 |
12 | 165054252 |
13 | a697b9a0 |
14 | 6392994a |
15 | 3ce247db |
hex | 2757015e |
660013406 has 32 divisors (see below), whose sum is σ = 1135941408. Its totient is φ = 284912640.
The previous prime is 660013381. The next prime is 660013411. The reversal of 660013406 is 604310066.
660013406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67466 + ... + 76626.
It is an arithmetic number, because the mean of its divisors is an integer number (35498169).
Almost surely, 2660013406 is an apocalyptic number.
660013406 is a deficient number, since it is larger than the sum of its proper divisors (475928002).
660013406 is a wasteful number, since it uses less digits than its factorization.
660013406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9356.
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 660013406 is about 25690.7260699265. The cubic root of 660013406 is about 870.6646640529.
The spelling of 660013406 in words is "six hundred sixty million, thirteen thousand, four hundred six".
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