Base | Representation |
---|---|
bin | 10001001010100… |
… | …01110101110100 |
3 | 101000221110022212 |
4 | 20211101311310 |
5 | 243330141012 |
6 | 22142112552 |
7 | 3365616206 |
oct | 1045216564 |
9 | 330843285 |
10 | 143990132 |
11 | 74307a10 |
12 | 4027b758 |
13 | 23aa6580 |
14 | 151a2776 |
15 | c993b22 |
hex | 8951d74 |
143990132 has 48 divisors (see below), whose sum is σ = 311640000. Its totient is φ = 57231360.
The previous prime is 143990129. The next prime is 143990141. The reversal of 143990132 is 231099341.
143990132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1439901322 = 41466316226754848, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4244 + ... + 17492.
It is an arithmetic number, because the mean of its divisors is an integer number (6492500).
Almost surely, 2143990132 is an apocalyptic number.
It is an amenable number.
143990132 is an abundant number, since it is smaller than the sum of its proper divisors (167649868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143990132 is a wasteful number, since it uses less digits than its factorization.
143990132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13296 (or 13294 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 143990132 is about 11999.5888262890. The cubic root of 143990132 is about 524.1363056627.
The spelling of 143990132 in words is "one hundred forty-three million, nine hundred ninety thousand, one hundred thirty-two".
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