Base | Representation |
---|---|
bin | 11001001000010… |
… | …01110101110000 |
3 | 112200122221211112 |
4 | 30210021311300 |
5 | 412431212310 |
6 | 32530132452 |
7 | 5136543104 |
oct | 1444116560 |
9 | 480587745 |
10 | 210804080 |
11 | a8aa2253 |
12 | 5a721128 |
13 | 3489ab56 |
14 | 1ddd5904 |
15 | 13790705 |
hex | c909d70 |
210804080 has 40 divisors (see below), whose sum is σ = 518953392. Its totient is φ = 79361024.
The previous prime is 210804079. The next prime is 210804091. The reversal of 210804080 is 80408012.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76142 + ... + 78861.
Almost surely, 2210804080 is an apocalyptic number.
210804080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
210804080 is an abundant number, since it is smaller than the sum of its proper divisors (308149312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210804080 is a wasteful number, since it uses less digits than its factorization.
210804080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155033 (or 155027 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 210804080 is about 14519.0936356234. The cubic root of 210804080 is about 595.1498622111.
The spelling of 210804080 in words is "two hundred ten million, eight hundred four thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •