Base | Representation |
---|---|
bin | 1110010101010… |
… | …11110111101000 |
3 | 22101020220112002 |
4 | 13022223313220 |
5 | 221240213030 |
6 | 15533110132 |
7 | 2660015501 |
oct | 712536750 |
9 | 271226462 |
10 | 120241640 |
11 | 61967362 |
12 | 34328348 |
13 | 1bbacbcc |
14 | 11d7dba8 |
15 | a852245 |
hex | 72abde8 |
120241640 has 32 divisors (see below), whose sum is σ = 270859680. Its totient is φ = 48040512.
The previous prime is 120241637. The next prime is 120241669. The reversal of 120241640 is 46142021.
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 58307 + ... + 60333.
It is an arithmetic number, because the mean of its divisors is an integer number (8464365).
Almost surely, 2120241640 is an apocalyptic number.
120241640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120241640 is an abundant number, since it is smaller than the sum of its proper divisors (150618040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120241640 is a wasteful number, since it uses less digits than its factorization.
120241640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3521 (or 3517 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 120241640 is about 10965.4749099161. The cubic root of 120241640 is about 493.5732681591.
Adding to 120241640 its reverse (46142021), we get a palindrome (166383661).
The spelling of 120241640 in words is "one hundred twenty million, two hundred forty-one thousand, six hundred forty".
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