Base | Representation |
---|---|
bin | 10001000101110… |
… | …11011011001111 |
3 | 100222210011012022 |
4 | 20202323123033 |
5 | 243200432111 |
6 | 22121000355 |
7 | 3360442043 |
oct | 1042733317 |
9 | 328704168 |
10 | 143374031 |
11 | 73a27039 |
12 | 400230bb |
13 | 2391c008 |
14 | 15082023 |
15 | c8c12db |
hex | 88bb6cf |
143374031 has 2 divisors, whose sum is σ = 143374032. Its totient is φ = 143374030.
The previous prime is 143374013. The next prime is 143374069. The reversal of 143374031 is 130473341.
Together with previous prime (143374013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is an emirp because it is prime and its reverse (130473341) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-143374031 is a prime.
It is a super-2 number, since 2×1433740312 = 41112225530377922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143374081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71687015 + 71687016.
It is an arithmetic number, because the mean of its divisors is an integer number (71687016).
Almost surely, 2143374031 is an apocalyptic number.
143374031 is a deficient number, since it is larger than the sum of its proper divisors (1).
143374031 is an equidigital number, since it uses as much as digits as its factorization.
143374031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 143374031 is about 11973.8895518541. The cubic root of 143374031 is about 523.3876836012.
The spelling of 143374031 in words is "one hundred forty-three million, three hundred seventy-four thousand, thirty-one".
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