Base | Representation |
---|---|
bin | 10001000100110… |
… | …11111011000000 |
3 | 100222112121012002 |
4 | 20202123323000 |
5 | 243132314432 |
6 | 22114123132 |
7 | 3356363612 |
oct | 1042337300 |
9 | 328477162 |
10 | 143244992 |
11 | 739490a0 |
12 | 3bb804a8 |
13 | 238a5367 |
14 | 1504adb2 |
15 | c897e62 |
hex | 889bec0 |
143244992 has 56 divisors (see below), whose sum is σ = 328361040. Its totient is φ = 61276160.
The previous prime is 143244973. The next prime is 143245001. The reversal of 143244992 is 299442341.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5984 + ... + 17952.
It is an arithmetic number, because the mean of its divisors is an integer number (5863590).
Almost surely, 2143244992 is an apocalyptic number.
It is a pronic number, being equal to 11968×11969.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143244992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164180520).
143244992 is an abundant number, since it is smaller than the sum of its proper divisors (185116048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143244992 is a wasteful number, since it uses less digits than its factorization.
143244992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12009 (or 11999 counting only the distinct ones).
The product of its digits is 62208, while the sum is 38.
The square root of 143244992 is about 11968.4999895559. The cubic root of 143244992 is about 523.2306172795.
The spelling of 143244992 in words is "one hundred forty-three million, two hundred forty-four thousand, nine hundred ninety-two".
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