Base | Representation |
---|---|
bin | 10001001111100… |
… | …11000001010000 |
3 | 101002011222221021 |
4 | 20213303001100 |
5 | 244012302240 |
6 | 22204205224 |
7 | 3404336023 |
oct | 1047630120 |
9 | 332158837 |
10 | 144650320 |
11 | 74718a21 |
12 | 40539814 |
13 | 23c77c09 |
14 | 152d51ba |
15 | ca7454a |
hex | 89f3050 |
144650320 has 40 divisors (see below), whose sum is σ = 341344224. Its totient is φ = 56994432.
The previous prime is 144650273. The next prime is 144650327. The reversal of 144650320 is 23056441.
144650320 = T293 + T294 + ... + T962.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×1446503202 = 41847430152204800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144650327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8134 + ... + 18853.
Almost surely, 2144650320 is an apocalyptic number.
144650320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144650320 is an abundant number, since it is smaller than the sum of its proper divisors (196693904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144650320 is a wasteful number, since it uses less digits than its factorization.
144650320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27067 (or 27061 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 144650320 is about 12027.0661426634. The cubic root of 144650320 is about 524.9361313082.
The spelling of 144650320 in words is "one hundred forty-four million, six hundred fifty thousand, three hundred twenty".
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