Base | Representation |
---|---|
bin | 10001001110011… |
… | …10110100101101 |
3 | 101001220110120012 |
4 | 20213032310231 |
5 | 243443031221 |
6 | 22201103005 |
7 | 3403150544 |
oct | 1047166455 |
9 | 331813505 |
10 | 144502061 |
11 | 746275a0 |
12 | 40487a65 |
13 | 23c255a2 |
14 | 1529715b |
15 | ca4565b |
hex | 89ced2d |
144502061 has 8 divisors (see below), whose sum is σ = 158441184. Its totient is φ = 130696720.
The previous prime is 144502019. The next prime is 144502069. The reversal of 144502061 is 160205441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-144502061 is a prime.
It is a super-4 number, since 4×1445020614 (a number of 34 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144502069) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31175 + ... + 35508.
It is an arithmetic number, because the mean of its divisors is an integer number (19805148).
Almost surely, 2144502061 is an apocalyptic number.
144502061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
144502061 is a deficient number, since it is larger than the sum of its proper divisors (13939123).
144502061 is a wasteful number, since it uses less digits than its factorization.
144502061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66891.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 144502061 is about 12020.9010061642. The cubic root of 144502061 is about 524.7567259893.
It can be divided in two parts, 144 and 502061, that added together give a palindrome (502205).
The spelling of 144502061 in words is "one hundred forty-four million, five hundred two thousand, sixty-one".
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