Base | Representation |
---|---|
bin | 10001001111010… |
… | …01000010010110 |
3 | 101002002220211211 |
4 | 20213221002112 |
5 | 244010000210 |
6 | 22203252034 |
7 | 3404105560 |
oct | 1047510226 |
9 | 332086754 |
10 | 144609430 |
11 | 746a0229 |
12 | 4051a01a |
13 | 23c62414 |
14 | 152c4330 |
15 | ca6738a |
hex | 89e9096 |
144609430 has 64 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 47867904.
The previous prime is 144609397. The next prime is 144609433. The reversal of 144609430 is 34906441.
144609430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 144609392 and 144609401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144609433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321846 + ... + 322294.
It is an arithmetic number, because the mean of its divisors is an integer number (4811400).
Almost surely, 2144609430 is an apocalyptic number.
144609430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144609430 is an abundant number, since it is smaller than the sum of its proper divisors (163320170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144609430 is a wasteful number, since it uses less digits than its factorization.
144609430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 144609430 is about 12025.3661066930. The cubic root of 144609430 is about 524.8866633654.
The spelling of 144609430 in words is "one hundred forty-four million, six hundred nine thousand, four hundred thirty".
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