Base | Representation |
---|---|
bin | 10101100000110… |
… | …11100101001000 |
3 | 110120120201121111 |
4 | 22300123211020 |
5 | 332144434130 |
6 | 25524020104 |
7 | 4320644614 |
oct | 1260334510 |
9 | 416521544 |
10 | 180468040 |
11 | 92962345 |
12 | 50531634 |
13 | 2b508c2c |
14 | 19d7a344 |
15 | 10c9c02a |
hex | ac1b948 |
180468040 has 32 divisors (see below), whose sum is σ = 406944000. Its totient is φ = 72028864.
The previous prime is 180468031. The next prime is 180468091. The reversal of 180468040 is 40864081.
It is a super-2 number, since 2×1804680402 = 65137426922883200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 180467993 and 180468011.
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, 14451 + ... + 23869.
It is an arithmetic number, because the mean of its divisors is an integer number (12717000).
Almost surely, 2180468040 is an apocalyptic number.
180468040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
180468040 is an abundant number, since it is smaller than the sum of its proper divisors (226475960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180468040 is a wasteful number, since it uses less digits than its factorization.
180468040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9909 (or 9905 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
The square root of 180468040 is about 13433.8393618504. The cubic root of 180468040 is about 565.1105743331.
The spelling of 180468040 in words is "one hundred eighty million, four hundred sixty-eight thousand, forty".
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