Base | Representation |
---|---|
bin | 10001001010000… |
… | …01001110011000 |
3 | 101000210222222010 |
4 | 20211001032120 |
5 | 243321001242 |
6 | 22140425520 |
7 | 3365213610 |
oct | 1045011630 |
9 | 330728863 |
10 | 143922072 |
11 | 74270868 |
12 | 402482a0 |
13 | 23a815b8 |
14 | 15185a40 |
15 | c97d89c |
hex | 8941398 |
143922072 has 64 divisors (see below), whose sum is σ = 412116480. Its totient is φ = 41029632.
The previous prime is 143922029. The next prime is 143922073. The reversal of 143922072 is 270229341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143922073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124248 + ... + 125400.
It is an arithmetic number, because the mean of its divisors is an integer number (6439320).
Almost surely, 2143922072 is an apocalyptic number.
143922072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143922072 is an abundant number, since it is smaller than the sum of its proper divisors (268194408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143922072 is a wasteful number, since it uses less digits than its factorization.
143922072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 143922072 is about 11996.7525605891. The cubic root of 143922072 is about 524.0537112552.
The spelling of 143922072 in words is "one hundred forty-three million, nine hundred twenty-two thousand, seventy-two".
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