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282161137 is a prime number
BaseRepresentation
bin10000110100010…
…110111111110001
3201122221021022111
4100310112333301
51034213124022
643555405321
76664221136
oct2064267761
9648837274
10282161137
111352aa925
127a5b3841
13465c326b
142968c58d
1519b88477
hex10d16ff1

282161137 has 2 divisors, whose sum is σ = 282161138. Its totient is φ = 282161136.

The previous prime is 282161129. The next prime is 282161147. The reversal of 282161137 is 731161282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279257521 + 2903616 = 16711^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 282161137 - 23 = 282161129 is a prime.

It is a super-2 number, since 2×2821611372 = 159229814466265538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 282161099 and 282161108.

It is not a weakly prime, because it can be changed into another prime (282161147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141080568 + 141080569.

It is an arithmetic number, because the mean of its divisors is an integer number (141080569).

Almost surely, 2282161137 is an apocalyptic number.

It is an amenable number.

282161137 is a deficient number, since it is larger than the sum of its proper divisors (1).

282161137 is an equidigital number, since it uses as much as digits as its factorization.

282161137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 282161137 is about 16797.6527229253. The cubic root of 282161137 is about 655.8920983358.

The spelling of 282161137 in words is "two hundred eighty-two million, one hundred sixty-one thousand, one hundred thirty-seven".