| Base | Representation |
|---|---|
| bin | 110001110101100… |
| … | …0000111000000000 |
| 3 | 11022112120120211000 |
| 4 | 1203223000320000 |
| 5 | 11411042021120 |
| 6 | 433533252000 |
| 7 | 56303431302 |
| oct | 14353007000 |
| 9 | 4275516730 |
| 10 | 1672220160 |
| 11 | 788a19836 |
| 12 | 3a8034000 |
| 13 | 2085a0cb0 |
| 14 | 11c133972 |
| 15 | 9bc17990 |
| hex | 63ac0e00 |
1672220160 has 320 divisors, whose sum is σ = 6400215360. Its totient is φ = 411402240.
The previous prime is 1672220159. The next prime is 1672220161. The reversal of 1672220160 is 610222761.
It is an interprime number because it is at equal distance from previous prime (1672220159) and next prime (1672220161).
It is a tau number, because it is divible by the number of its divisors (320).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1672220161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897630 + ... + 899490.
It is an arithmetic number, because the mean of its divisors is an integer number (20000673).
Almost surely, 21672220160 is an apocalyptic number.
1672220160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1672220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200107680).
1672220160 is an abundant number, since it is smaller than the sum of its proper divisors (4727995200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1672220160 is a wasteful number, since it uses less digits than its factorization.
1672220160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1906 (or 1884 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 1672220160 is about 40892.7886063056. The cubic root of 1672220160 is about 1186.9465204263.
The spelling of 1672220160 in words is "one billion, six hundred seventy-two million, two hundred twenty thousand, one hundred sixty".
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