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182608138 = 291304069
BaseRepresentation
bin10101110001001…
…10000100001010
3110201121110021101
422320212010022
5333221430023
630041532014
74345100146
oct1270460412
9421543241
10182608138
1194094219
12511a400a
132baa806b
141a376226
15110711ad
hexae2610a

182608138 has 4 divisors (see below), whose sum is σ = 273912210. Its totient is φ = 91304068.

The previous prime is 182608121. The next prime is 182608141. The reversal of 182608138 is 831806281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831806281 = 854397367.

It can be written as a sum of positive squares in only one way, i.e., 102272769 + 80335369 = 10113^2 + 8963^2 .

It is a junction number, because it is equal to n+sod(n) for n = 182608097 and 182608106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45652033 + ... + 45652036.

Almost surely, 2182608138 is an apocalyptic number.

182608138 is a deficient number, since it is larger than the sum of its proper divisors (91304072).

182608138 is an equidigital number, since it uses as much as digits as its factorization.

182608138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91304071.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 182608138 is about 13513.2578603385. The cubic root of 182608138 is about 567.3356085520.

The spelling of 182608138 in words is "one hundred eighty-two million, six hundred eight thousand, one hundred thirty-eight".

Divisors: 1 2 91304069 182608138