Base | Representation |
---|---|
bin | 10001001011100… |
… | …10001101001100 |
3 | 101001012012011210 |
4 | 20211302031030 |
5 | 243343411300 |
6 | 22145014420 |
7 | 3400010541 |
oct | 1045621514 |
9 | 331165153 |
10 | 144122700 |
11 | 74398577 |
12 | 40324410 |
13 | 23b21a07 |
14 | 151d8bc8 |
15 | c9bd050 |
hex | 897234c |
144122700 has 36 divisors (see below), whose sum is σ = 416995880. Its totient is φ = 38432640.
The previous prime is 144122683. The next prime is 144122701. The reversal of 144122700 is 7221441.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (144122701) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239905 + ... + 240504.
Almost surely, 2144122700 is an apocalyptic number.
144122700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144122700 is an abundant number, since it is smaller than the sum of its proper divisors (272873180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144122700 is a wasteful number, since it uses less digits than its factorization.
144122700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480426 (or 480419 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 144122700 is about 12005.1114113947. Note that the first 3 decimals coincide. The cubic root of 144122700 is about 524.2971092487.
The spelling of 144122700 in words is "one hundred forty-four million, one hundred twenty-two thousand, seven hundred".
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