Base | Representation |
---|---|
bin | 10001010001110… |
… | …10000101010010 |
3 | 101002201210012210 |
4 | 20220322011102 |
5 | 244101111034 |
6 | 22214332550 |
7 | 3406660443 |
oct | 1050720522 |
9 | 332653183 |
10 | 144941394 |
11 | 748a7684 |
12 | 4065a156 |
13 | 2404a550 |
14 | 1536d2ca |
15 | cad08e9 |
hex | 8a3a152 |
144941394 has 32 divisors (see below), whose sum is σ = 315229824. Its totient is φ = 44161920.
The previous prime is 144941387. The next prime is 144941431. The reversal of 144941394 is 493149441.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 987 + ... + 17054.
It is an arithmetic number, because the mean of its divisors is an integer number (9850932).
Almost surely, 2144941394 is an apocalyptic number.
144941394 is an abundant number, since it is smaller than the sum of its proper divisors (170288430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144941394 is a wasteful number, since it uses less digits than its factorization.
144941394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18162.
The product of its digits is 62208, while the sum is 39.
The square root of 144941394 is about 12039.1608511557. The cubic root of 144941394 is about 525.2879979938.
The spelling of 144941394 in words is "one hundred forty-four million, nine hundred forty-one thousand, three hundred ninety-four".
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