Base | Representation |
---|---|
bin | 10001001010001… |
… | …01001101110000 |
3 | 101000211211101110 |
4 | 20211011031300 |
5 | 243322012131 |
6 | 22141033320 |
7 | 3365312346 |
oct | 1045051560 |
9 | 330754343 |
10 | 143938416 |
11 | 74282076 |
12 | 40255840 |
13 | 23a88b7b |
14 | 1518b996 |
15 | c983646 |
hex | 8945370 |
143938416 has 40 divisors (see below), whose sum is σ = 388010880. Its totient is φ = 45893056.
The previous prime is 143938411. The next prime is 143938423. The reversal of 143938416 is 614839341.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143938411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64086 + ... + 66293.
It is an arithmetic number, because the mean of its divisors is an integer number (9700272).
Almost surely, 2143938416 is an apocalyptic number.
143938416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
143938416 is an abundant number, since it is smaller than the sum of its proper divisors (244072464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143938416 is a wasteful number, since it uses less digits than its factorization.
143938416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130413 (or 130407 counting only the distinct ones).
The product of its digits is 62208, while the sum is 39.
The square root of 143938416 is about 11997.4337255932. The cubic root of 143938416 is about 524.0735479384.
The spelling of 143938416 in words is "one hundred forty-three million, nine hundred thirty-eight thousand, four hundred sixteen".
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