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182166329 = 1381131909
BaseRepresentation
bin10101101101110…
…10001100111001
3110200210000020002
422312322030321
5333113310304
630024242345
74341250112
oct1266721471
9420700202
10182166329
1193912294
12510103b5
132b981c37
141a29d209
1510ed531e
hexadba339

182166329 has 4 divisors (see below), whose sum is σ = 182299620. Its totient is φ = 182033040.

The previous prime is 182166287. The next prime is 182166377. The reversal of 182166329 is 923661281.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109098025 + 73068304 = 10445^2 + 8548^2 .

It is a cyclic number.

It is not a de Polignac number, because 182166329 - 220 = 181117753 is a prime.

It is a pancake number, because a pancake can be divided into 182166329 parts by 19087 straight cuts.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 182166292 and 182166301.

It is not an unprimeable number, because it can be changed into a prime (182166379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64574 + ... + 67335.

It is an arithmetic number, because the mean of its divisors is an integer number (45574905).

Almost surely, 2182166329 is an apocalyptic number.

It is an amenable number.

182166329 is a deficient number, since it is larger than the sum of its proper divisors (133291).

182166329 is a wasteful number, since it uses less digits than its factorization.

182166329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133290.

The product of its digits is 31104, while the sum is 38.

The square root of 182166329 is about 13496.9007183131. The cubic root of 182166329 is about 566.8776946824.

The spelling of 182166329 in words is "one hundred eighty-two million, one hundred sixty-six thousand, three hundred twenty-nine".

Divisors: 1 1381 131909 182166329