Base | Representation |
---|---|
bin | 10001001111110… |
… | …00000000100000 |
3 | 101002020000222000 |
4 | 20213320000200 |
5 | 244013431002 |
6 | 22204444000 |
7 | 3404452422 |
oct | 1047700040 |
9 | 332200860 |
10 | 144670752 |
11 | 74732306 |
12 | 40549600 |
13 | 23c842c5 |
14 | 152dc812 |
15 | ca7a61c |
hex | 89f8020 |
144670752 has 48 divisors (see below), whose sum is σ = 421958880. Its totient is φ = 48223296.
The previous prime is 144670733. The next prime is 144670789. The reversal of 144670752 is 257076441.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 82858 + ... + 84585.
It is an arithmetic number, because the mean of its divisors is an integer number (8790810).
Almost surely, 2144670752 is an apocalyptic number.
144670752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144670752 is an abundant number, since it is smaller than the sum of its proper divisors (277288128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144670752 is a wasteful number, since it uses less digits than its factorization.
144670752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167462 (or 167448 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 144670752 is about 12027.9155301324. The cubic root of 144670752 is about 524.9608460596.
The spelling of 144670752 in words is "one hundred forty-four million, six hundred seventy thousand, seven hundred fifty-two".
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