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182163481 is a prime number
BaseRepresentation
bin10101101101110…
…01100000011001
3110200202212022121
422312321200121
5333113212411
630024221241
74341235603
oct1266714031
9420685277
10182163481
1193910135
125100a821
132b980856
141a29c173
1510ed4571
hexadb9819

182163481 has 2 divisors, whose sum is σ = 182163482. Its totient is φ = 182163480.

The previous prime is 182163463. The next prime is 182163547. The reversal of 182163481 is 184361281.

182163481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168584256 + 13579225 = 12984^2 + 3685^2 .

It is a cyclic number.

It is not a de Polignac number, because 182163481 - 29 = 182162969 is a prime.

It is a super-2 number, since 2×1821634812 = 66367067620074722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (182163281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91081740 + 91081741.

It is an arithmetic number, because the mean of its divisors is an integer number (91081741).

Almost surely, 2182163481 is an apocalyptic number.

It is an amenable number.

182163481 is a deficient number, since it is larger than the sum of its proper divisors (1).

182163481 is an equidigital number, since it uses as much as digits as its factorization.

182163481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 182163481 is about 13496.7952121976. The cubic root of 182163481 is about 566.8747404663.

The spelling of 182163481 in words is "one hundred eighty-two million, one hundred sixty-three thousand, four hundred eighty-one".