Base | Representation |
---|---|
bin | 1000111100101… |
… | …01101110010001 |
3 | 12020020112221001 |
4 | 10132111232101 |
5 | 123203442121 |
6 | 11240502001 |
7 | 1601006056 |
oct | 436255621 |
9 | 166215831 |
10 | 75062161 |
11 | 39409349 |
12 | 2117a901 |
13 | 127219a5 |
14 | 9d7d02d |
15 | 68ca991 |
hex | 4795b91 |
75062161 has 2 divisors, whose sum is σ = 75062162. Its totient is φ = 75062160.
The previous prime is 75062137. The next prime is 75062167. The reversal of 75062161 is 16126057.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 69205761 + 5856400 = 8319^2 + 2420^2 .
It is a cyclic number.
It is not a de Polignac number, because 75062161 - 211 = 75060113 is a prime.
It is not a weakly prime, because it can be changed into another prime (75062167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37531080 + 37531081.
It is an arithmetic number, because the mean of its divisors is an integer number (37531081).
Almost surely, 275062161 is an apocalyptic number.
It is an amenable number.
75062161 is a deficient number, since it is larger than the sum of its proper divisors (1).
75062161 is an equidigital number, since it uses as much as digits as its factorization.
75062161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 75062161 is about 8663.8421615355. The cubic root of 75062161 is about 421.8328085177.
The spelling of 75062161 in words is "seventy-five million, sixty-two thousand, one hundred sixty-one".
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