Base | Representation |
---|---|
bin | 10001001111101… |
… | …11011110111111 |
3 | 101002012221000120 |
4 | 20213313132333 |
5 | 244013343412 |
6 | 22204430023 |
7 | 3404443236 |
oct | 1047673677 |
9 | 332187016 |
10 | 144668607 |
11 | 74730736 |
12 | 40548313 |
13 | 23c83335 |
14 | 152dbb1d |
15 | ca79b8c |
hex | 89f77bf |
144668607 has 8 divisors (see below), whose sum is σ = 193206576. Its totient is φ = 96288192.
The previous prime is 144668581. The next prime is 144668627. The reversal of 144668607 is 706866441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144668607 - 210 = 144667583 is a prime.
It is a super-3 number, since 3×1446686073 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144668627) 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, 37228 + ... + 40929.
It is an arithmetic number, because the mean of its divisors is an integer number (24150822).
Almost surely, 2144668607 is an apocalyptic number.
144668607 is a deficient number, since it is larger than the sum of its proper divisors (48537969).
144668607 is an equidigital number, since it uses as much as digits as its factorization.
144668607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78777.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 144668607 is about 12027.8263622319. The cubic root of 144668607 is about 524.9582515555.
The spelling of 144668607 in words is "one hundred forty-four million, six hundred sixty-eight thousand, six hundred seven".
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