Base | Representation |
---|---|
bin | 10001001001111… |
… | …01110011111100 |
3 | 101000210021210100 |
4 | 20210331303330 |
5 | 243320024332 |
6 | 22140241100 |
7 | 3365125056 |
oct | 1044756374 |
9 | 330707710 |
10 | 143908092 |
11 | 74261309 |
12 | 40240190 |
13 | 23a78123 |
14 | 151808d6 |
15 | c97967c |
hex | 893dcfc |
143908092 has 72 divisors (see below), whose sum is σ = 378378000. Its totient is φ = 46061568.
The previous prime is 143908087. The next prime is 143908103. The reversal of 143908092 is 290809341.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320284 + ... + 320732.
It is an arithmetic number, because the mean of its divisors is an integer number (5255250).
Almost surely, 2143908092 is an apocalyptic number.
143908092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143908092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189189000).
143908092 is an abundant number, since it is smaller than the sum of its proper divisors (234469908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143908092 is a wasteful number, since it uses less digits than its factorization.
143908092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 795 (or 790 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 143908092 is about 11996.1698887603. The cubic root of 143908092 is about 524.0367425627.
The spelling of 143908092 in words is "one hundred forty-three million, nine hundred eight thousand, ninety-two".
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