Base | Representation |
---|---|
bin | 10001001011110… |
… | …01011101010101 |
3 | 101001020200220222 |
4 | 20211321131111 |
5 | 243400334110 |
6 | 22145404125 |
7 | 3400163255 |
oct | 1045713525 |
9 | 331220828 |
10 | 144152405 |
11 | 74408921 |
12 | 40339645 |
13 | 23b323a7 |
14 | 15205965 |
15 | c9c6c55 |
hex | 8979755 |
144152405 has 8 divisors (see below), whose sum is σ = 174514392. Its totient is φ = 114300928.
The previous prime is 144152389. The next prime is 144152479. The reversal of 144152405 is 504251441.
It can be written as a sum of positive squares in 4 ways, for example, as 320356 + 143832049 = 566^2 + 11993^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 144152405 - 24 = 144152389 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
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, 127004 + ... + 128133.
It is an arithmetic number, because the mean of its divisors is an integer number (21814299).
Almost surely, 2144152405 is an apocalyptic number.
It is an amenable number.
144152405 is a deficient number, since it is larger than the sum of its proper divisors (30361987).
144152405 is a wasteful number, since it uses less digits than its factorization.
144152405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255255.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 144152405 is about 12006.3485290075. The cubic root of 144152405 is about 524.3331275760. Note that the first 3 decimals are identical.
The spelling of 144152405 in words is "one hundred forty-four million, one hundred fifty-two thousand, four hundred five".
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