Base | Representation |
---|---|
bin | 10001100111110… |
… | …11110011011111 |
3 | 101022011122102102 |
4 | 20303323303133 |
5 | 300321111111 |
6 | 22400315315 |
7 | 3443360114 |
oct | 1063736337 |
9 | 338148372 |
10 | 147832031 |
11 | 764a1436 |
12 | 41612b3b |
13 | 24820199 |
14 | 158c290b |
15 | cea213b |
hex | 8cfbcdf |
147832031 has 2 divisors, whose sum is σ = 147832032. Its totient is φ = 147832030.
The previous prime is 147832001. The next prime is 147832043. The reversal of 147832031 is 130238741.
It is a strong prime.
It is an emirp because it is prime and its reverse (130238741) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 147832031 - 218 = 147569887 is a prime.
It is a super-2 number, since 2×1478320312 = 43708618779169922, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 147831985 and 147832003.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (147832001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73916015 + 73916016.
It is an arithmetic number, because the mean of its divisors is an integer number (73916016).
Almost surely, 2147832031 is an apocalyptic number.
147832031 is the 5438-th centered decagonal number.
147832031 is a deficient number, since it is larger than the sum of its proper divisors (1).
147832031 is an equidigital number, since it uses as much as digits as its factorization.
147832031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 147832031 is about 12158.6196173743. The cubic root of 147832031 is about 528.7570624649.
The spelling of 147832031 in words is "one hundred forty-seven million, eight hundred thirty-two thousand, thirty-one".
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