Base | Representation |
---|---|
bin | 10000111101111… |
… | …00001110100111 |
3 | 100220211001022221 |
4 | 20132330032213 |
5 | 242414004433 |
6 | 22042333211 |
7 | 3345526414 |
oct | 1036741647 |
9 | 326731287 |
10 | 142328743 |
11 | 73382767 |
12 | 3b7ba207 |
13 | 236442bb |
14 | 14c8d10b |
15 | c76672d |
hex | 87bc3a7 |
142328743 has 6 divisors (see below), whose sum is σ = 151193816. Its totient is φ = 133956192.
The previous prime is 142328741. The next prime is 142328783. The reversal of 142328743 is 347823241.
It is not a de Polignac number, because 142328743 - 21 = 142328741 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142328699 and 142328708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142328741) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245955 + ... + 246532.
Almost surely, 2142328743 is an apocalyptic number.
142328743 is a deficient number, since it is larger than the sum of its proper divisors (8865073).
142328743 is an equidigital number, since it uses as much as digits as its factorization.
142328743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492521 (or 492504 counting only the distinct ones).
The product of its digits is 32256, while the sum is 34.
The square root of 142328743 is about 11930.1610634559. The cubic root of 142328743 is about 522.1126367428.
The spelling of 142328743 in words is "one hundred forty-two million, three hundred twenty-eight thousand, seven hundred forty-three".
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