Base | Representation |
---|---|
bin | 1110011001101… |
… | …00011111011000 |
3 | 22102022100011000 |
4 | 13030310133120 |
5 | 221411114430 |
6 | 15553105000 |
7 | 2664536130 |
oct | 714643730 |
9 | 272270130 |
10 | 120801240 |
11 | 6220983a |
12 | 34558160 |
13 | 1c047831 |
14 | 12087ac0 |
15 | a912e60 |
hex | 73347d8 |
120801240 has 384 divisors, whose sum is σ = 501696000. Its totient is φ = 25256448.
The previous prime is 120801223. The next prime is 120801277. The reversal of 120801240 is 42108021.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4165546 + ... + 4165574.
It is an arithmetic number, because the mean of its divisors is an integer number (1306500).
Almost surely, 2120801240 is an apocalyptic number.
120801240 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 120801240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250848000).
120801240 is an abundant number, since it is smaller than the sum of its proper divisors (380894760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120801240 is a wasteful number, since it uses less digits than its factorization.
120801240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104 (or 65 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 120801240 is about 10990.9617413582. The cubic root of 120801240 is about 494.3377737689.
Adding to 120801240 its reverse (42108021), we get a palindrome (162909261).
The spelling of 120801240 in words is "one hundred twenty million, eight hundred one thousand, two hundred forty".
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