Base | Representation |
---|---|
bin | 10001001001111… |
… | …11011100010100 |
3 | 101000210121221202 |
4 | 20210333130110 |
5 | 243320233042 |
6 | 22140332032 |
7 | 3365153411 |
oct | 1044773424 |
9 | 330717852 |
10 | 143914772 |
11 | 74266331 |
12 | 40244018 |
13 | 23a7b191 |
14 | 15183108 |
15 | c97b632 |
hex | 893f714 |
143914772 has 24 divisors (see below), whose sum is σ = 271283712. Its totient is φ = 66607200.
The previous prime is 143914751. The next prime is 143914777. The reversal of 143914772 is 277419341.
It is a happy number.
143914772 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1439147722 = 41422923199623968, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143914777) 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, 22379 + ... + 28082.
It is an arithmetic number, because the mean of its divisors is an integer number (11303488).
Almost surely, 2143914772 is an apocalyptic number.
It is an amenable number.
143914772 is a deficient number, since it is larger than the sum of its proper divisors (127368940).
143914772 is a wasteful number, since it uses less digits than its factorization.
143914772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50519 (or 50517 counting only the distinct ones).
The product of its digits is 42336, while the sum is 38.
The square root of 143914772 is about 11996.4483077284. The cubic root of 143914772 is about 524.0448507732.
The spelling of 143914772 in words is "one hundred forty-three million, nine hundred fourteen thousand, seven hundred seventy-two".
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