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182168157 = 3367165457
BaseRepresentation
bin10101101101110…
…10101001011101
3110200210002201210
422312322221131
5333113340112
630024255033
74341255333
oct1266725135
9420702653
10182168157
11939136a6
1251011479
132b982a12
141a29db53
1510ed5b3c
hexadbaa5d

182168157 has 8 divisors (see below), whose sum is σ = 243554176. Its totient is φ = 121113792.

The previous prime is 182168153. The next prime is 182168159. The reversal of 182168157 is 751861281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 182168157 - 22 = 182168153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182168153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81628 + ... + 83829.

It is an arithmetic number, because the mean of its divisors is an integer number (30444272).

Almost surely, 2182168157 is an apocalyptic number.

It is an amenable number.

182168157 is a deficient number, since it is larger than the sum of its proper divisors (61386019).

182168157 is a wasteful number, since it uses less digits than its factorization.

182168157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165827.

The product of its digits is 26880, while the sum is 39.

The square root of 182168157 is about 13496.9684373936. The cubic root of 182168157 is about 566.8795908414.

The spelling of 182168157 in words is "one hundred eighty-two million, one hundred sixty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 367 1101 165457 496371 60722719 182168157